移居国外后，他们的关系开始出现问题了。

The relationship started to go wrong when they moved abroad.

《牛津词典》

网络肯定出现问题了。

There must be something wrong with the network.

youdao

当他通过议会走廊时，就将出现问题了。

When he crosses the aisle, it tends to matter.

youdao

Then there came to be questions about whether the scenes, the stories in the book, actually did happen to him.

于是问题出现了，书里的那些情节和故事是否真正在他身上发生过。

耶鲁公开课 - 1945年后的美国小说课程节选

OK, and that leads now to an interesting question, which would be, "How do I build a mechanical process to capture that set of computations?"

好，现在出现了一个有趣的问题，就是“我怎么样才能建立计算机程序,去捕捉一系列的计算呢？

麻省理工公开课 - 计算机科学及编程导论课程节选

So, this raises kind of an interesting question in terms of what the difference is between these two cases, and we're talking about numbers of energy.

那么，到这里就出现了一个很有意思的问题,那就是下面这两种情况的区别在哪里？,当然我们关心的是能量的多少。

麻省理工公开课 - 化学原理课程节选