如果你的回答是‘不，他们还是没有回馈社区。’，然后你就需要问你自己还能做什么和为什么。

If your answer is "no, they're still not giving back to the community!" then next you need to ask yourself what more and why.

youdao

所以，如果你不“属于”一个公司，你还是一个活着的、呼吸着的、有才华的人。

So, if you don't "belong" to a company, you're still a living, breathing, talented human being.

youdao

如果游客已经选择了，是不积极鼓励他们，主动地鼓励他们，还是相反，随便他们选。

If the visitors have so chosen, you're not encouraging them actively, proactively or otherwise, you're just letting them.

youdao

I just want to make mention of this in case there's ever doubt, generally parentheses do solve your problem as an arithmetic but do realize this is some lower level details we'll come back to over time.

是想告诉大家如果你对某些式子的前后运算关系不确定，就加上括号,这都是一些小细节,我们以后还是会再提到的。

哈佛公开课 - 计算机科学课程节选

So, if we have energy that's released, would you say that the chlorine ion is more or less stable than the chlorine atom?

那么，如果我们放出了能量，你认为氯离子比氯原子,更稳定还是更不稳定呢？

麻省理工公开课 - 化学原理课程节选

So, if there is one section of the lecture that I went a little too quickly for, you could say, gee, if I could just see that five minutes, you could click on it, zoom into that five minutes, play it a few times, and then say, I still don't know what he's talking about.

所以，如果有那节课,我上得过快，你可以说，天啊，我多希望我能看到那5分钟，你就能点击它，选择那五分钟，播放几次，然后说，我还是不知道他在说什么。

麻省理工公开课 - 固态化学导论课程节选