限制：技术不成熟，工程上问题多多。

Limitations: The technology is immature, with many engineering issues unresolved.

youdao

今天，在错综复杂的食物链上，问题可能出现在任何环节。

Today, problems can arise from any link or kink in a convoluted food chain.

youdao

实际上，问题不在于形成新的习惯。

But the problem isn't really with forming new habits.

youdao

And it raises a specifically interpretive question: what is the message of the work that the man does?

它也引发了理解上的问题：,这个劳动者正在做的事儿要传达什么信息呢？

耶鲁公开课 - 现代诗歌课程节选

So this is important, it's a little bit subtle, but if you don't really understand this deeply, you'll find yourself getting confused a lot.

但你如果没有挺深刻的理解，这件事的话，你会发现自己在这个问题上很困惑。

麻省理工公开课 - 计算机科学及编程导论课程节选

But they're two individuals who are committed to being with the other person in a respectful, generous, kind manner while disagreeing on some fundamental things.

但是他们两个人都努力,倾听对方,以相互尊重，宽宏大量并且友善的态度和谐共处,尽管他们在一些基本问题上各持己见。

普林斯顿公开课 - 人性课程节选