stay up 和keep up的区别

stay up 和keep up的区别
stay up 和keep up的区别

stay up 和keep up的区别
stay up主要是熬夜的意思
而keep up主要侧重于保持,不落后.

stay up: 坚持站立
keep up: 跟上

stay up 熬夜
keep up 跟上, 赶上