And there are lots of solutions that chemists come up with -- there's always new techniques that allow us to do this, and these are just some of the first, and we'll go through them in a little bit of detail here.

的情况下研究或者发现它们,化学家们想出了很多的办法,人们发明新的技术来实现它，这些是最早遇到的一些问题，我们要稍微来,研究下它们的细节。

麻省理工公开课 - 化学原理课程节选

.. The problem with Sadow's suitcase-- I actually had one and you might have one in your attic.

沙度发明的行李箱问题出现在-,实际上我也有一个,你们的阁楼里可能也会放着一个。

耶鲁公开课 - 金融市场课程节选