什么是 “Cut Back”?
Cut back 是一个不及物动词短语,通常表示“削减”、“减少”或“后退”。它常用于描述主动减少某事物的数量、频率或强度。
常见用法:
- 公司裁员:The company had to cut back due to financial difficulties.
- 植物修剪:Gardeners often cut back bushes in early spring.
什么是 “Cut Back On”?
Cut back on 是一个及物动词短语,后面必须接宾语,强调“在……方面减少”。
常见用法:
- 减少开支:We need to cut back on unnecessary expenses.
- 控制饮食:She’s trying to cut back on sugar and caffeine.
两者的主要区别
- 是否带宾语: “Cut back” 可单独使用;“Cut back on” 必须接宾语(如:on coffee, on spending)。
- 语义侧重点: “Cut back” 更泛指整体性的削减行为; “Cut back on” 强调在某个具体方面减少。
- 可互换情况: 在口语中有时可互换,但正式写作建议严格区分。
实用例句对比
Cut back:
- The government plans to cut back next year.
- After the storm, we had to cut back the damaged trees.
Cut back on:
- He decided to cut back on alcohol for health reasons.
- Many families are cutting back on vacations during the economic downturn.