In the second case, I found in the next smallest element and moved here, taking what was there and moving it on, in this case I would swap the 4 and the 8, and in next case I wouldn't have to do anything.

在第二次遍历中，我找到了,第二小的元素，把它移到这里,把这里原来的元素移到哪里,在这一次遍历中，我会把8和4交换,然后一次遍历，不会做任何事情。

麻省理工公开课 - 计算机科学及编程导论课程节选

So in the first case, I didn't have to do any swaps because 1 was the smallest thing.

所以在第一次遍历中，我没有做,任何的交换因为1就是最小的。

麻省理工公开课 - 计算机科学及编程导论课程节选

So again, contact these folks if you have any questions about grading for parts of the class.

再说一次,如果对于课程评分,有任何疑问,请联系他们

耶鲁公开课 - 关于食物的心理学、生物学和政治学课程节选

I have to believe that whoever came up with that theory for the first time was aided in coming to it by thinking about the end of the Roman Empire, when something precisely like that did happen.

我想任何人第一次接触该理论,都会自动联想到罗马帝国的衰亡,进而支持该理论,因为类似的事情确实曾经发生过

耶鲁公开课 - 古希腊历史简介课程节选

You can add something else to the answer without invalidating it, and that is anything with one power of t in it, because if you take one derivative it'll survive, but if you take two derivatives, it'll get wiped out.

你可以往答案后面加上其它东西,而且不影响结果,也就是任何t的一次项,因为你求一次导数之后它还在,但如果你求两次导数,这一项就不存在了

耶鲁公开课 - 基础物理课程节选