Similar elements often have unique attributes, such as the id attribute used in XHTML elements to give them a unique reference id (see Listing 9).

类似的元素通常具有独特的属性，比如XHTML元素中使用的id属性，是为了给XHTML元素一个惟一的引用id(参见清单9)。

youdao

If you don't normally take turn times, you can ask your coach to time them in practice, warm-up or even prelims to give you a better frame of reference for your finals swim.

如果，你平时没有计转身的时间，你可以让你的教练在训练，热身甚至预赛的时候帮你计时转身，以此给你在决赛中一个更好的参考格式。

youdao

One fundamental flaw I've always noted in the 'science' of human resources management is, is any applicant going to give as a reference someone who's going to have anything bad to say about them?

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