“因为，”哈利抢在赫敏前面回答，“有时候你必须考虑比自身安全更多的东西！”

"Because," said Harry before Hermione could answer, "sometimes you've got to think about more than your own safety!"

youdao

考虑到这些也是激励自己必要的东西，你必须学会找到一个办法让自己取悦自己，激励自己。

Considering that these are also essential in keeping oneself motivated, you must learn to find a way to get that encouragement on your own through pleasing yourself.

youdao

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