价格就是其中的一个问题。

Price, for one, is an issue.

youdao

互联网用户早期面临的一个问题就是网速。

One early problem faced by Internet users was speed.

youdao

现在，这个问题已经通过将其直接注入细胞的方法解决了。如图所示，这是基因传递的一个问题。

Now, the problem is solved by injecting it directly into the cell. Shown here, that's one issue with gene delivery.

youdao

So I think this question is very much related to your first one about how we mistake what success really means.

我觉得这个问题与,你的第一个问题紧密相连,就是“我们对于成功的错误理解“

普林斯顿公开课 - 人性课程节选

I mean, the other side of the problem is that the United States, at least I think,

我的意思是，问题的另一个方面是美国，至少我觉得，

对于奖学金制度 - SpeakingMax英语口语达人

I first had a list of size 8, then 4, then 2, but then I had another problem of size 2.

首先是一个有8个元素的序列，接着变成了4个元素，接着2个元素，然后我就碰到了有2个元素的另一个问题。

哈佛公开课 - 计算机科学课程节选