The other tip I'm going to give you is any time you see a chain molecule, by chain I just mean many different atoms written out in a row.

我要告诉大家的另外一个小窍门是,每当你看到一个链状分子，链状的意思是说很多,不同的原子写成一行的形式。

麻省理工公开课 - 化学原理课程节选

Quite a remarkable statement and I was reminded of this when I saw this cartoon.

非常精辟的阐述,每当我看到这张漫画我都能想起这段话

耶鲁公开课 - 关于食物的心理学、生物学和政治学课程节选