be reduced

基本解释

Making a decision of that magnitude cannot be reduced to a formula.
做出这样重大的一个决定不能被降低到一个公式。
But by grouping them by sound rather than appearance, the number of characters can be reduced to about 50 of the most common, enough to write messages when mapped to a small number of keys.
但是如果将它们按读音而不是外形将它们逐一分类时，最常用语的数量就减少到了50个，这些对于发信息来说已经足够了，并可以被分配在很少的按键上。
In the meantime, people like Allen Frances will agitate for the number of diagnoses and their scope to be reduced.
届时，像艾伦·福朗瑟斯一样的人们将会因书中诊断词条的数量和缩减余地而忧虑。

"The lower the euro is, the more competitive these economies become and,therefore, the more the fiscal concerns are going to be reduced."
De Man's point is a question is both rhetorical and grammatical, and the one cannot be reduced to the other. Both readings are available.
德曼想指出的是，一个问句既是修辞型问句又是语法型问句，那么一个不能变成另一个，两种理解都有效。
耶鲁公开课 - 文学理论导论课程节选
We thought that the Taliban will be reduced to a minor irritating factor within 6 months to a year.
我们原以为,在六个月到一年之内塔利班分子会减少成为一个很小的势利。
普林斯顿公开课 - 国际座谈会课程节选

Africa is too complex, too diverse, to be reduced to a handful of phrases.
FORBES: Notes From A Distant Node