"When you have a situation like this occur, you are bound to have a situation down the line where there could be a shortage in food, which can also trigger other negative situations, such as malnutrition, for example, or insufficient food for cattle, which is also another important economic sector in West Africa,".

VOA: standard.2009.09.08

I have shown that by taking Avogadro's number of individual ion pairs and putting them all together in a line, the system's energy became more negative.

我推导出了,从每一个离子对中抽出阿伏加德罗常数,再把它们放在一起在一列中，这个系统的能量就变得更负。

麻省理工公开课 - 固态化学导论课程节选

If n is greater than zero, I decided I would say, "You picked a positive number, backslash n," so put the cursor on the next line, else if n was not less than zero, I say, "You picked a negative number, backslash n."

如果n比0大，我就决定来说：,“你选择了一个整数，反斜杠n“，所以你把光标,放在下一行，另外如果n不小于0，我说：,“你选择一个负数，反斜杠n“

哈佛公开课 - 计算机科学课程节选