He introduced the concept of electronegativity which was a measure, therefore, it is quantitative, of the atom's ability to attract electrons within a covalent bond and developed a scale of electronegativity.

他引入了电负性这一概念,一个反映着原子在成共价键时吸引电子的能力的数据标度，因此这是数量上的，在共价电子中,电子原子能吸引电子,并发展为一定规模的电负性。

麻省理工公开课 - 固态化学导论课程节选

Taking the problem, recognizing that you know what, 8 even though this is a pretty big problem size 8 in this case and last time it was size 8 or in the case of the papers in size of a thousand roughly with the phonebook, I assume these are in a perfectly straight line they won't quite fit.

以这个问题为例，你们要认识到，在这种情况下，这是个比较大的问题，其大小是,上次它的大小也是8，但在纸片那个问题中,电话簿的规模大概是上千的，现在假设这些,杯子完全在同一条直线上，虽然并不十分符合这个条件。

哈佛公开课 - 计算机科学课程节选

And if you ask the TAs in recitation tomorrow, they'll tell you that you see a lot of n log n algorithms in computer science.

如果你明天在复习课上问助教的话，他们会告诉你在计算机科学中,存在着非常多的n，log，n规模的算法。

麻省理工公开课 - 计算机科学及编程导论课程节选

Now, banking has a --it's important to know that banking is bigger in developing countries -I'll say LDCs, less developed countries -than in developed countries.

如今,银行有着...大家一定要了解,在发展中国家,银行规模更加庞大,...应该是在LDCS,即欠发达国家,这是相对于发达国家来说的

耶鲁公开课 - 金融市场课程节选