The core electrons tend not to be involved in much chemistry in bonding or in reactions.

核电子倾向于不参与结合,或者反应。

麻省理工公开课 - 化学原理课程节选

The subprime mortgage market was bringing people into the mortgage market who in prior decades would not have been involved-- would not have had any mortgage.

次贷抵押信贷市场,把十多年前那些,不能获得抵押贷款的人,带进了抵押信贷市场

耶鲁公开课 - 金融市场课程节选

Now, t-cells are also involved in humoral immunity but they're not the end result.

细胞也参与体液免疫,但它并不是体液免疫的最终应答结果

耶鲁公开课 - 生物医学工程探索课程节选

The second one, I guess, involves an active choice of pushing a person down which I guess that person himself would otherwise not have been involved in the situation at all.

我认为第二种情况，牵涉到主动选择推人,而被推的这个人,本来跟这事件一点关系都没有。

耶鲁公开课 - 公正课程节选

Not everybody had to be involved in creating food, and so that gave people more time to trade, to develop other products, to be involved in non-food pursuits and many, many more things.

不需要所有人都忙于制造食物,因此人们有空进行贸易,开发其它产品,以追求其他更多,而不单单是食品

耶鲁公开课 - 关于食物的心理学、生物学和政治学课程节选

These are completely optional, not required for the course, so there's no obligation for you guys to get involved in these things, but I'll mention these things as we go along in case anybody would like to get involved in working with professors or graduate students.

这些都是自愿选择的,而不是课程要求,所以并不强制你们都参加,但随着课程的进行,我还会不断提及,便于任何感兴趣的同学,能够与教授或研究生一同参与研究

耶鲁公开课 - 关于食物的心理学、生物学和政治学课程节选