它需要修理吗，如果要的话，要花多少钱？值得吗？

Does it need repair, and if so, how much will that cost and is it worth the price?

youdao

如果是后者，你需要花点时间自己研究一下。

If they are the latter, you need to take the time to study them on your own.

youdao

如果您需要花费一段时间升级一个大型系统，可能需要先禁用该功能，以便先对用户进行支持和培训。

If you have a large system that will be upgraded over a period of time, you may want to disable the feature at first, to allow time to plan for user support and training.

youdao

If we weren't so pressed for time, I kinda wanna see how long we could get away with this before it gets awkward, but that, in fact, is an infinite loop t hat's hopefully deliberate.

如果有时间，我想看看,我们需要花多长时间解决这一问题，事实上，它是我故意,使用的无穷循环。

哈佛公开课 - 计算机科学课程节选

On the other hand, if I want to sort it first, OK, if I want to do sort and search, I want to sort it, it's going to take n log n time to sort it, and having done that, then I can search it in log n time.

我先排序，好的，如果我想排序再搜索，我要排序，这需要花n，log，n时间排序，然后做完了，我们能花log，n时间搜索,啊，哪一种更好呢？恩，呵呵。

麻省理工公开课 - 计算机科学及编程导论课程节选

As an aside, if you ever just have one line of code that you want to execute, one puzzle piece in Scratch terminology, ; you actually don't need the curly braces; you only need the curly braces if you have two or more lines of code that you want to execute if that condition is true.

此外，如果你只有一行代码,需要执行，在Scratch，术语中叫做,一句代码，你就不需要使用花括号了;,如果那个条件成立，你有两行或更多行的代码时需要执行时,你就需要花括号。

哈佛公开课 - 计算机科学课程节选