All right, so it's very common to talk about electronegativity of different atoms, and you can look up tables of these.

好，这是很常见的,对于不同原子电负性的讨论，大家可以查阅这方面的表格。

麻省理工公开课 - 化学原理课程节选

So anyway, when we talk about periodic trends, it doesn't always match up.

无论如何，当我们讨论元素周期律时，要知道它并不是总能与实际情况相符。

麻省理工公开课 - 化学原理课程节选

Because I stand up here and I talk about the one or more than one thing I know about and so it's easy to infer that I must know a lot but in fact by the time this semester ends I will have tell you told you everything I know.

因为我站在讲台上,我给你们讲我知道的知识,所以你们很轻易就推断出我一定懂很多,但其实到了学期末，我要告诉你们,我会的都已经教给你们了。

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On the other, he doesn't want to talk it up so much that the public starts asking for a payback, which the economy may not yet be able to afford.

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"At this point, there are no plans for deployment, so there is no talk of funding, " she said, adding that it could take up to 18 months for the patent application to be approved.

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And so since I know I can always pick up the phone and talk to him, that it's not necessary for me to spend huge amounts of time other than just getting business done when I'm here.

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