关于while表转折与and

人教版高中英语必修三第二单元有一句话是I don't offer enough fibre and you don’t offer enough body-building and energy-giving food.请问老师这句中的and可以改成while吗？

不要随意改动原句。用and连接，表示二者是同一类的，二者提供的都是不健康的食物。用while则表示对比，突出二者的不同之处。作者用and而不用while，自有其道理，你为什么要改呢？

曹荣禄 -

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刘永科 - 教育出版集团英语总顾问 & 英语系列图书主编 1秒前

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I don't offer enough fibre and you don't offer enough body-building and energy-giving food.

连词 and 用来连接两个意思相对、对立或相反的成分时，用法等于 but。当然，换成表示“对比” 的 while，也完全可以。以上句子意思的表达，可以有多种选择。例如：

I don't offer enough fibre and you don't offer enough body-building and energy-giving food.

I don't offer enough fibre but you don't offer enough body-building and energy-giving food.

I don't offer enough fibre while you don't offer enough body-building and energy-giving food.