come back有归还的意思吗

没有！come back的意思是：回来;回忆起;回想起来;重新流行;再度时兴。

例句：

1. Come back when you're in a better temper.心情好些时再回来。

2.You there! Come back!说你呢！回来！3.IF HAIRCUTS and dress styles can come back into fashion, then so can economic theories.正如过时的发型和服饰也会重新流行，经济学理论也不例外。