That is to say I can now reroute that sodium plus chlorine reaction and go a different way, but I still end up with the same change in energy.

也就是说，我可以重新定义一种,钠与氯的反应途径,从另一种途径来实现反应，但是能量的变化过程相同。

麻省理工公开课 - 固态化学导论课程节选

You can see the atomic mass unit will be, excuse me. Let me go at it a different way.

你可以看到原子质量单位就是，不好意思，我们换个方式说。

麻省理工公开课 - 固态化学导论课程节选