cut down sth和cut down on sth有什么区别

cut down sth和cut down on sth有什么区别
cut down sth和cut down on sth有什么区别

cut down sth和cut down on sth有什么区别
cut down sth 砍倒,降低,如cut down the trees砍树.cut down the cost 降低成本.
cut down on sth 减少,削减.如cut down on sugar to lose weight.少吃糖以减轻体重.
能用cut down on 的地方比较少,且抽象点.cut down 用法更广泛.

cut down sth/on doing sth
1. 削减
He tried to cut down on smoking but failed.
他试图少抽烟,但没成功。
2. 缩短
Cut down the article so as to make it fit the space available on the paper.
把文章缩短...

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cut down sth/on doing sth
1. 削减
He tried to cut down on smoking but failed.
他试图少抽烟,但没成功。
2. 缩短
Cut down the article so as to make it fit the space available on the paper.
把文章缩短一些,这样就能排进报纸有限的版面中。
3. 砍倒
cut down后面跟名词，不可以跟动词ing

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