So this is a thing, Week Number Four, saw very commonly, which was -- this is something we saw commonly and there's a couple of issues here.

所以这是一件事，第四个，一般的分解，那是我们讲解的东西,这里有好几个问题。

哈佛公开课 - 计算机科学课程节选

One problem is that they're not always accurate and there's a couple of factors that could lead them away from accuracy.

其中一个问题就是它们并不总是准确的,有几个因素,能减低它们的准确性。

耶鲁公开课 - 心理学导论课程节选

There are a couple of tissues that are of particular interest to scientists and clinicians now and bone marrow is one of those.

有一些组织现在受到,科学家和临床工作者的关注,骨髓就是其中之一

耶鲁公开课 - 生物医学工程探索课程节选

The flip side is there are going to be a couple of lectures now where it is not going to be on the test, so I think you will deal with it.

现在这种对立面将是,一些现在的课程,这些不会在考试上出现，所以我想你能处理好的。

麻省理工公开课 - 固态化学导论课程节选

Oh, they are. And at the moment there is a bill that I think over the past couple of years has been presented to the legislator.

是的，现在,就有这样一个法案，在几年前,人们把它提交给了立法者。

普林斯顿公开课 - 人性课程节选

Now, there are a couple of ways to think about indebtedness and I'd like you to tell me which one is correct as applied to the nation.

那么，究竟是什么导致国家债台高筑呢,我有两套思路，麻烦你们告诉我,哪个更能说明现状。

斯坦福公开课 - 经济学课程节选

Here is one I remember. A couple of years ago there was a clothing store called TJ Maxx.

这里我想到一个例子,几年前,有一家服饰店叫TJ Maxx

耶鲁公开课 - 聆听音乐课程节选

What psychologists don't really know is why the Lake Wobegon effect exists, and there are a couple of proposals.

但心理学家还不知道,为什么乌比冈效应会存在，目前有几个假设。

耶鲁公开课 - 心理学导论课程节选