come up with keep up with有什么区别啊怎么都有赶上的意思it is hard to ()the chang_英语解答

come up with keep up with
有什么区别啊怎么都有赶上的意思
it is hard to ()the changges in computer technology.

人气：220 ℃　时间：2019-10-11 07:36:52

解答

keep up with吧.
come up with的意思是想出什么主意
keep up with 这里可以理解成“跟得上”