论证类英语写作中，因果关系的表达往往决定了读者是否被说服。

很多学生在写”原因A → 结果B”时，只会用”because”和”so”，写出来的逻辑链僵硬得像说明书。但优秀的英文记者会用更丰富的手段——把因果关系融入伴随状语、现在分词结构、以及”with + 名词 + 分词”的句式里。

今天我们从FT一篇美国刺激法案报道中，学习三种因果递进型逻辑衔接结构。

FT原文

来源： FT双语阅读 #99 — 《美国国会通过拜登1.9万亿美元刺激法案》

Joe Biden’s $1.9tn coronavirus relief package received final backing from the US House of Representatives on Wednesday, sealing congressional approval for a massive fiscal stimulus with far-reaching political and economic consequences that will last for years.

The House passed the bill in a narrow 220 to 211 vote, with all but one Democrat voting in favour and every Republican voting against it, paving the way for Biden to sign it into law on Friday.

The final greenlight from Congress marks a big victory for the US president, who took office in January with a mission to mitigate fallout from the coronavirus pandemic and reboot the US economy. The bill reflects a belief among Biden and his top aides that they can rapidly accelerate the recovery without triggering an unwanted jump in inflation.

In a statement from the White House just moments after the House vote, Biden said: “This legislation is about giving the backbone of this nation a fighting chance.”

三个因果递进结构

1. V-ing 结果状语：把”因此”融入句子结构

原文出处：

The House passed the bill…, paving the way for Biden to sign it into law on Friday.

…received final backing…, sealing congressional approval for a massive fiscal stimulus.

为什么好： 用现在分词（paving, sealing）直接引出结果。不说”Therefore, Biden could sign it”，而是把结果融进分词结构——更紧凑、更高级。这是FT记者最常用的因果衔接技巧。

结构公式：

[主句: 某事件发生], [V-ing 结果: 由此导致的结果]

❌ 学生初版

The House passed the bill. Therefore, Biden could sign it into law on Friday.

✅ 升级版

The House passed the bill in a narrow 220 to 211 vote, paving the way for Biden to sign it into law on Friday.

💡 效果 分词结构把因果压缩到一句话里，且”paving the way for”（为…铺平道路）本身就是一个高级因果动词短语，比”led to”更生动。

更多例子：

The government announced a new stimulus package, boosting consumer confidence and driving a stock market rally.

模板：

[行动A], [V-ing 结果].

The company invested heavily in AI research, positioning itself as a market leader in the years ahead.

2. Without + V-ing：兼顾两个目标

原文出处：

…they can rapidly accelerate the recovery without triggering an unwanted jump in inflation.

为什么好： “Without + V-ing” 结构表达了一种”做A同时避免B”的因果关系——既想要结果A（经济复苏），又要避免结果B（通胀飙升）。这种正反兼顾的表达，是议论文中展示权衡论证能力的关键。

结构公式：

[主体] can [积极目标A] without [负面结果B]

❌ 学生初版

They want to help the economy recover and they don’t want inflation to rise.

✅ 升级版

They can accelerate the recovery without triggering an unwanted jump in inflation.

💡 效果 “without triggering” 把”同时避免负面后果”打包成一个状语，结构简洁，意思完整。比用”and at the same time avoid”高级得多。

模板：

[主体] [积极动作] without [负面结果].

Schools can expand access to technology without compromising the quality of in-person instruction.

The company cut costs without laying off a single employee.

3. With + 名词 + V-ing：用伴随状语补充原因

原文出处：

The House passed the bill…, with all but one Democrat voting in favour and every Republican voting against it…

为什么好： “With + 名词 + V-ing（所有民主党都投赞成票，所有共和党都反对）” 用伴随状语补充投票细节。这个结构同时传达了两层信息：一是投票的具体数据（因果关系中的”原因”部分），二是其中蕴含的对比（两党对立）。

结构公式：

[事件], with + [某人] + [动作].

❌ 学生初版

The House passed the bill. All Democrats voted for it and all Republicans voted against it.

✅ 升级版

The House passed the bill in a narrow 220 to 211 vote, with all but one Democrat voting in favour and every Republican voting against it.

💡 效果 “with” 把补充说明嵌入主句结构，既不打断主句逻辑，又能带出关键细节。

模板：

[主要事件], with [某群体] [做什么/持什么立场].

The new policy was approved, with environmental groups praising its ambition and industry leaders warning about implementation costs.

综合练习：三步升级法

尝试把下面这个基础句子，用今天学的三种因果递进结构升级：

基础句：

The new law passed. It helped the economy. It did not cause inflation.

第一步：用V-ing结果状语

The new law passed, helping the economy recover.

第二步：同时加入without结构

The new law passed, helping the economy recover without causing a surge in inflation.

第三步：加with伴随状语补充细节

The new law passed with broad support, helping the economy recover without causing a surge in inflation.

写作建议

因果递进结构的关键，是把”and then”或”therefore”替换成更紧凑的语法手段。每次写”Because…”或”So…”的时候，问问自己：能不能用分词结构（V-ing）替代？能不能把原因放进”with”伴随状语？

练熟了这三种结构，你的议论文就会从”说明书风格”变成”记者风格”——逻辑链条清晰，句式丰富自然。

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