来自《耶鲁大学开放课程：新生有机化学 第3集 第3集》
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But that's not true,但事实并非如此 -
and you have to know from something,你们必须从某些事情中学到知识 -
and you don't have time to know yet.但你还没有时间来了解这些 -
As time goes on maybe you'll figure it out.过些时候也许你就会了解了 -
This is from a good textbook这来自于一本很好的教材 -
it might be the one that we'll adopt next semester.也许我们下学期就用这本 -
It's a quote that says,这段话引自书中 -
"Empirical rules"所谓"经验法则" -
(it's going to give)这就是定义 -
"Empirical rules for assessing"将用于评估 -
the relative importance of the resonance structures分子和离子共振结构的 -
of molecules and ions."相对重要性"