評論
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釋義：
come and go 來來往往
這個短語看似陌生，但其實很有用處。可以用在自由出入或非永久的擦肩而過等情況下。Have come and gone 則是現(xiàn)在完成式的用法。
例句：
This is my home and I want to be able to come and go whenever I want!
這是我家，我想什么時候出入就什么時候出入！
I have stomachaches. They come and go in every few minutes.
我肚子疼，每隔幾分鐘就會疼一次。
There's no chance my mother's already come and gone.
我媽媽不可能來過又走了。
對話：
A: Has Janet been over to see you today?
加內特今天來看過你嗎？
B: No, she comes and goes when she has free time.
沒有，她有時間時才會過來。
