We need to use it as carefully and as productively as we can, that means prioritising our activities so that we spend most time on the things we really want to do.

我们要尽可能谨慎和有效地利用时间，这意味着要确定活动的优先次序，以便将大部分时间花在我们真正想要做的事情上。

youdao

It seems absurd to spend time on things no one will use, so where do all these features come from?

将时间花费没有人使用的东西上面看起来非常可笑，所以所有这些特征是哪里来的？

youdao

But first the trial will do two things: it will establish for the first time a body of expert evidence which appellate courts can use to evaluate claims by supporters and opponents of gay marriage.

但此次审理首先将做两件事：它将第一次确立一些专家证言，上诉法院能通过这些证言来对同性婚姻支持者和反对者的主张进行评判。

youdao

I stress it in particular because I know you're all going to get into this stage; you've got a problem set due in a couple of hours, you're still writing the code, you don't want to waste time, and I'm going to use quotes on "waste time", doing those extra things to do the defensive programming, you just want to get the darn thing done.

我特别强调了这一点,因为我知道你们都会慢慢成为程序员;,你在写代码过程中造成了一系列的错误，你还在写代码，你不想浪费时间，我想把“浪费时间“用引号圈起来，浪费时间来做因为防卫性程序设计，而带来的这些额外的事情,你只想赶紧把程序写完，这不是一个好习惯，因为当你做完回头。

麻省理工公开课 - 计算机科学及编程导论课程节选