And we haven't talked about reactions at all yet, so you don't need to worry about the specifics of that exactly, but just that if you have this negative change in energy, you have a more stable product than you do reactant.

当然我们还没有开始讨论反应，所以你不用担心它的细节是怎么样的，你只需要知道，如果能量的变化是负值，那么你将得到一个比反应物更稳定的生成物。

麻省理工公开课 - 化学原理课程节选

Remember, that's going to become important when we talk about bonding, we don't need to worry about it too much right now.

记住，这在我们讨论到,成键的时候很重要，现在你们还不用太多的考虑它。

麻省理工公开课 - 化学原理课程节选

But for our purposes, we don't really need to worry about the details.

但就我们的目的而言，我们不需要,担心种种细节。

耶鲁公开课 - 死亡课程节选