keep up with 和catch up with 有区别吗

来源：学生作业帮编辑：大师作文网作业帮分类：英语作业时间：2024/11/11 09:52:25

keep...是保持(进度),原来还是跟上的保持相对静止的
catch...是赶上（进度）,原来已经落后了要追上并保持相对静止

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