But those revenues fall sharply in bad economic times.

VOA: special.2009.07.31

Things of course have changed since those early times in so many ways.

与早期相比 情况已发生多方面的变化

耶鲁公开课 - 关于食物的心理学、生物学和政治学课程节选

This was eventually taken out, and actually just for your interest, there was no overlap between the time when cocaine was in Coca Cola and lithium was in 7-Up, so there was a few years difference between those two times, but it's amazing to think about what does go into processed foods.

锂最终被去掉了，如果你感兴趣的话，可口可乐中含有可卡因,与七喜中含锂的时代,并没有交集，它们之间还差了几年，但是想一想加工食品里,会加入什么东西还是很令人吃惊的。

麻省理工公开课 - 化学原理课程节选

The study found people in poor neighborhoods are two to three times more likely to have a heart attack than those living in a wealthier part of town.

VOA: standard.2010.06.04

Think about how grossly things have changed starting in those earlier times.

想想随着时间流逝,情况发生了多大的变化

耶鲁公开课 - 关于食物的心理学、生物学和政治学课程节选

Times were different in those days.

程序运行了很长时间然后停止了。

麻省理工公开课 - 计算机科学及编程导论课程节选

Anthony Andrews says, "It may be that the epic tradition had at some stage used as a model for the army before Troy, an idealized version of some of those bands of colonists who settled the coast of Asia Minor in post-Mycenaean times."

安东尼·安德鲁说道,"或许那时的史诗时代在,特洛伊之前就采用了军队的模式,对于在后迈锡尼时代,小亚细亚地区的殖民者来说,这是最佳的模式

耶鲁公开课 - 古希腊历史简介课程节选

What do I have here? I need the variable, ANS, ANS I need x, and I need ANS times ANS, ANS times ANS. Right. Those are the three things that are involved in this computation.

因此让我先用这个方法做吧，我这里需要什么呢？我需要变量，还需要x，然后将ANS乘以ANS，对,在这个计算中涉及到了三件事情。

麻省理工公开课 - 计算机科学及编程导论课程节选