It is other matters of course that one might regard as constituting the spirit and environment in which the GPA should work which must now be attended to,".

VOA: standard.2009.09.12

So if in fact I wanted to make sure this was a number, I should have done something like either try and convert it to a number, which of course failed here, or put in a check to say where it is.

因此实际上如果我想确保,这是一个数字的话，我们的课程上的代码,在这里失败了，你或许应该在这里，放一个检查的东西。

麻省理工公开课 - 计算机科学及编程导论课程节选

Now, a foreword is of course supposed to suggest how you should read the text that's coming. And so, if we take it on in that role, let's see what we see.

现在，一个序言当然是要建议大家,去读一下那本书，还有，如果我们借鉴这个作用，让我们看一下这个。

耶鲁公开课 - 1945年后的美国小说课程节选