We see that you know from everyone,they say their interest in science begins before the age of eleven.

VOA: special.2010.04.01

If you would think about education from the explicate point of view, and we think about the school age of youngsters' population, there is no doubt that content is very, very important.

如果从表面,探究教育，我们会想到,青少年的学龄，毫无疑问,教育的内容也极其重要。

麻省理工公开课 - 媒体、教育、市场课程节选

Then the design was that, when you reached retirement age, you would then get funds from the government for the rest of your life--your retirement funds.

接下来是这样设计的，当你退休的时候，你就能得到政府的资助,供你安享晚年，这就是养老金。

耶鲁公开课 - 金融市场课程节选

But if we look at the society that emerges, this Dark Age society that emerges from the ancient world of Mycenae, what you have is a rare human experience.

如果我们仔细观察这渐渐浮出水面的社会,这个从古代迈锡尼文明浮现出来的,黑暗时代的社会,你会得到一些相当宝贵的经验

耶鲁公开课 - 古希腊历史简介课程节选

I've given you the periods at the top of the chart: early Bronze Age; middle Bronze Age from about 2100 to 1550; we date the late Bronze age from about 1550 until 1200--the introduction of iron and the beginning of the Iron Age in 1200. Prior to that, the Bronze Age, which is divided into these three periods.

我在这个表格的顶端给你们列了一些时期：,早期青铜时代；中期青铜时代，从约公元前2100年到前1550年；,晚期青铜时代，从公元前1550年到前1200年，即铁器时代前页；,然后公元前1200年开始了铁器时代，在那以前，青铜时代分为那样三个时期。

耶鲁公开课 - 旧约导论课程节选

As you get older, your human capital evolves and it has its ups and downs as you age and you start switching from human capital to other forms of capital.

随着年龄增长，你的人力资本不断发展,它随着你的年龄不断起伏,你的人力资本开始,转变成其他形式的资本。

耶鲁公开课 - 金融市场课程节选