cut down sth和cut down on sth有什么区别
问题描述：
cut down sth和cut down on sth有什么区别
答
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.