单词come in handy
na.: 迟早有用
This could come in handy in some circumstances, such as if you were researching a topic and you forgot to save Web pages as you went.
在某些情况下，它们可能会派上用场，比如你正对某个课题进行调研，但却忘了将需要的网页保存下来。
It has come in handy for me many times when I am trying to get out the door and found a pocket ripped or a button loose.
好多次当我急着出门发现口袋撕坏了或是纽扣松了的时候，它们都能及时派上用场。
Given how much a fan could come in handy, it"s a shame they ever invented air conditioning.
考虑到一把扇子竟可如此便利，真可惜后来，因为发明了空调，而弃而不用了。
Memory debugging programs (see Resources) can come in handy when you"re trying to detect memory leaks.
当您试图调试内存漏洞时，内存调试程序（请参阅参考资源）可能派得上用场。
Listening carefully and remembering a fascinating bit of information about each person will come in handy if you meet again.
用心聆听，记住每个人某样迷人特点，下次见面时就能派上用场。
Please at least consider these words throughout your life, believe me it"ll come in handy when you least expect it to.
请至少在今后的人生中考虑下这些话，相信我，至少你期望它有用，就总会有一天它会有用的。
Having a small mirror can come in handy when you want to see what"s going on behind your line of sight.
有一个面小镜子可以派上用场时，你可以看看会背着你的视线上发生什么。
The handset can take snaps in rapid successions (three at a time), which may come in handy should you work with fast moving objects.
手机可以采取卡在快速的继承（三在一个时间），这可能派上用场，应该你的工作与快速移动的物体。
Well, you know, I thought it might come in handy some day.
噢，要知道，我就觉得它哪天可能会有用。
But first the apartment has to be rented, and the deeds signed, and a thousand other details for which his frock coat will come in handy.
可是首先得把公寓租出去，订好契约，安排好各种琐事，这会儿他的常礼服说不定会派上用场呢。