读《金融时报》学英文写作：段落结构——段内的「总-分列举」与数据支撑
写英语作文时，你有没有这种感觉：段落里的每一句话都”正确”，但连起来读就是太平、太散，像流水账？问题往往不在语法，而在段落内部缺少层次——没有一句”总起”告诉读者这一段要说什么，也没有清晰的”列举”和”数据”去支撑这个总起。
今天我们从FT一篇科学报道——科学家对英国新冠变种B.1.1.7表达担忧——来学三种段内展开技法。这篇文章讲的是2020年底的变种病毒，但我们要学的不是疫情，而是记者怎么在短短几行内把”观点+证据”写得层次分明。
FT原文（示范素材）
Scientists say two aspects of B.1.1.7 give cause for concern. One is the unprecedented number of mutations it carries. The other is the speed with which it is supplanting other strains of the Sars-Cov-2 virus in south-east England.
The increased infectivity of the variant is illustrated by the fact that, after appearing in Kent on September 20, it was responsible for 28 per cent of infections in London by early November and 62 per cent in the week ending December 9.
科学家们称B.1.1.7有两方面值得关注。一是其发生的突变数量之大前所未有。二是该变种在英格兰东南部取代SARS-CoV-2其他毒株的速度。
表明该变种增强传染性的一个事实是：自9月20日在肯特郡出现后，到11月初，该变种在伦敦造成了28%的感染；在12月9日结束的那一周造成62%的感染。
技法一：总起句 + 数量预告
结构公式： [总起句：主语 + say/note that + 数量词 + give cause for concern]
FT写法：
Scientists say two aspects of B.1.1.7 give cause for concern.
这句话最妙的地方在 two aspects 这个数量预告。它只说了”有两点”，还没说哪两点，读者就知道接下来会出现并列列举，心里有了一张”待办清单”。这就是总起句的高级形态——不只概括主题，还预告结构。
❌ 学生初版
The variant is very dangerous. It has many mutations. It spreads very fast.
✅ 升级版
Scientists say two aspects of the variant give cause for concern.
💡 效果
学生版三个短句各说各话，没有主次；升级版一句话把”话题 + 态度 + 数量”全部打包，段落立刻有了骨架。
模板： [Experts/Researchers] say [two/three] aspects of [topic] give cause for concern.
例句： When it comes to online learning, parents say two aspects give cause for concern.
技法二：One is… The other is… 并列列举
结构公式： One is [名词短语]. The other is [名词短语].
FT写法：
One is the unprecedented number of mutations it carries. The other is the speed with which it is supplanting other strains.
这就是总起句之后的标准展开。注意两个特点：第一，One... The other... 直接对应前面的 two aspects，前后呼应；第二，列举项不是简单名词，而是”修饰语+名词”的浓缩短语（the unprecedented number of mutations），信息密度高。
❌ 学生初版
First, it has many mutations. Second, it spreads fast.
✅ 升级版
One is the unprecedented number of mutations it carries. The other is the speed with which it is replacing other strains.
💡 效果
First/Second 更像流水账序号；One... The other... 更书面、更紧凑，而且天然成对，让读者感受到”这两点是一个整体”。
模板： One is [A]. The other is [B].
例句： Two problems stand out. One is the cost of tuition. The other is the quality of online courses.
技法三：数据锚定（illustrated by the fact that）
结构公式： The [名词] is illustrated by the fact that, [时间起点] + [数据A], [时间终点] + [数据B].
FT写法：
The increased infectivity of the variant is illustrated by the fact that, after appearing in Kent on September 20, it was responsible for 28 per cent of infections in London by early November and 62 per cent in the week ending December 9.
这是段内展开的”证据层”。记者没有说”the variant is very infectious”（空洞），而是给出一条带时间轴的数据链：9月20日出现 → 11月初28% → 12月9日当周62%。数据的增长本身就在证明”传染性增强”，不需要任何形容词。
❌ 学生初版
The variant spreads very fast. Many people got it in London.
✅ 升级版
The increased infectivity of the variant is illustrated by the fact that, within three months, it was responsible for 62 per cent of infections in London.
💡 效果
学生版用”very fast""many”这种模糊词；升级版用 is illustrated by the fact that 引出具体数据，让证据自己说话。考官看到数字，比看到形容词可信十倍。
模板： The [趋势] is illustrated by the fact that [时间起点] + [数据], [时间终点] + [数据].
例句： The popularity of short video is illustrated by the fact that, launched in 2016, it now reaches 800 million users.
写作建议
这三个技法要合起来用，才能形成完整的段内层次：总起句预告数量 → One/The other 并列列举 → 数据锚定收尾。练习方法：每次写完一个议论段，自问三句话——
- 第一句有没有”数量预告”（two/three aspects）？
- 列举时用的是不是
One is... The other is...？ - 证据层有没有具体数字，而不是
very/many？
把这三问变成习惯，你的段落就再也不会”平”了。
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