“reduce、decline、decrease”的区别是什么？

Question

如题所述

Answer 1

区别：

reduce是一种主观的减少.降低.主语是使减少的外力
decrease专指数值上的下降,
decline除了数值上的还能指能力等抽象量的下降.

例句：

He reduced the amount of money they could spend.他缩减了他们的开销。

The population decreased a lot last year.去年人口数量急剧下降。

Last year, the crime rate in Chicago has sharply declined.去年芝加哥的犯罪率明显下降。

He declined our invitation to dinner.他婉拒了我们请他吃饭的邀请。

Population growth is decreasing by 1.4% each year.人口增长每年下降1.4%。往往有具体的量化。