And often, if you want to make a lot of it, you have to think about the thermodynamics of the system, how fast the reactions will go and kinetics, and then whether they'll go, the thermodynamics, and sometimes then you need to adjust the reactions, maybe use a transition metal to make it go better.

这种分子就不能正常工作，而且通常来说,如果你要大量生产一个东西,你必须考虑系统的热力学，反应速率和动力学,还有反应是否会发生，热力学，而且有时候你需要调整反应的发生。

麻省理工公开课 - 化学原理课程节选

Corinth always needs that kind of stuff, so we sell you our wheat, you sell us your pottery, you sell us good wine that we can't grow yet and maybe never will be able to grow in our neighborhood, so on and so forth.

科林斯很需要这些作物,所以我们销售给你们小麦,你们销售陶器,美酒给我们,这些我们暂且无法生产,而且我们周边地区也许永远无法生产这些,诸如此类的作物

耶鲁公开课 - 古希腊历史简介课程节选