该问题把3件互不相干的事情混淆了。

The question muddles up three separate issues.

《柯林斯英汉双解大词典》

这种年代测定法的一个问题是，有可能某一件东西从一个地方被带到了另外的地方，且被好几代人用了之后才被埋入土中。

A problem with this dating method is that an object could have been carried around, used for several generations before it was discarded.

youdao

即使在最确定一件事的时候，他也总能看到问题的另一面。

Even when most set upon a thing, he was always able to see the other side of the question.

youdao

And the first thing you do is ask is it an instance of some problem that other people have already solved?

而且你以前从没碰过这个问题,你首先要做的一件事就是问问自己,这是不是一个别人已经解决了的问题？

麻省理工公开课 - 计算机科学及编程导论课程节选

Now, when we talked about optimization problems in dynamic programming, I said there were two things to look for.

现在，当我们讨论,动态编程中的最优化问题时，我想说有两件事需要注意。

麻省理工公开课 - 计算机科学及编程导论课程节选

That's four items. Show up, sit down, and the first question is does anybody have a pen?

总共4件东西，你们来到，坐下，第一个问题是你们有带铅笔吗？

麻省理工公开课 - 固态化学导论课程节选