如果东西没有在清单上，便不应购买。

If it's not on your list, it shouldn't be purchased.

youdao

如果你有很多东西，但又没有地方放，又不想扔掉，为什么不尝试一下旧货市场呢？

If you have lots of things and have nowhere to put them, and don't want to throw them away, why not try a car boot sale?

youdao

如果你在失败的时候没有学到东西，那么你就只是失败了。

If you don't learn something when you fail, then all you've done is failed.

youdao

I didn't have anything in there that says, if you change one of these values, other values depend on it, and I want to make that change to it.

这样就对了，因为我在代码里面，没有任何的东西说，如果我改变了其中的一个值。

麻省理工公开课 - 计算机科学及编程导论课程节选

Without those other things running around we would have a good sort of model of homophonic texture, sort of block chords changing in that fashion.

如果没有这个其他东西单独进行我们将会获得一种不错的同音材质，一种阻断的和弦在改变。

耶鲁公开课 - 聆听音乐课程节选

So, in terms of what it is that you need to prepare and bring with you for the exam, you need to bring your MIT ID, especially if you haven't been showing up regularly to your recitations and you aren't 100% sure if your TA knows exactly who you are, you need to make sure you have your MIT ID with you.

那么，关于你需要做哪些准备,考试可以带哪些东西，你需要带着你的学生证，尤其是如果你没有经常地参加,习题课,你不能百分之百保证,你的助教确实认识你，那么你更得确保自己到时带着学生证。

麻省理工公开课 - 化学原理课程节选