come in handy造句

1、That key will come in handy if you lock yourself out.要是你把自己鎖在了屋外，那把鑰匙就派上用場了。

2、Don't throw that away ─ it might come in handy.別把它扔了——它或許有用。

3、We may find it useful in future. It may come in handy someday.這東西日後可能用得着。