對於家庭成員，宴會補請的幾個自製的家常餐常可以派上用場。 With certain family members, a rain check for a few home-cooked meals can come in handy.
這裡有些例子能夠數模教授的推薦信能派上用場。 There are instances where a professor recommendation could be useful.
有一個面小鏡子可以派上用場時，你可以看看會背着你的視線上發生什麼。 Having a small mirror can come in handy when you want to see what’s going on behind your line of sight.
然而，很多白領會把他們的證書扔在一邊，之後就忘了這回事，除非這些證書在考取後能立馬派上用場。 Unless they're made use of right away, however, quite a few white-collar workers will leave their certificates in an unknown corner and forget them.
當您在您的生產環境中發現一個問題並希望將那個配置提升到您的測試環境以測試和調試該問題時，這種支持就能派上用場。 This is useful if you find a problem in your production environment and want to promote that same configuration to your test environment to try and debug the issue.
當你要將東西搬出搬進學校時，它們也能派上用場。 They also come in handy when you are moving to and from school.
儘管這個插件更面向博客新手，它對每個人仍然是可以派上用場的工具。 Even though this plugin is more geared toward beginning bloggers, it’s still a tool that can come in handy for anyone.
這是一個對於熱心用戶可以派上用場的精巧功能。 This is a nifty feature that can come in handy for avid users.
在這裡，我們總結了一些最重要的翻譯技巧，可以在進行口頭翻譯和書面翻譯時派上用場。 Here, we summarized the most essential translation tips that can come in handy both for the oral translation and the written translation.
分析框架可派上用場的第三種情況是在培訓中。 The third area where analytical frameworks come in handy is in training.
除此之外，他的軟墊輪椅在虛弱的時候能派上用場，另外他看起來不錯。 Aside from that, and a general weakness that makes his cushioned wheelchair useful, he looks to be in great shape.
如果有一段代碼在很多方法中反覆使用，這個重構也能派上用場。 It is also useful if you have a piece of code that is reused across many methods.
在那些案例中，外消旋化就能真的派上用場。 And in these instance, racemization can really come in handy.