But he still has memories of those days. He recalls standing on his grandfather's shoulders in his native state of Hawaii, waiting for the Apollo 11 space capsule to be plucked from the Pacific Ocean and brought to shore.

VOA: standard.2009.07.20

There was a lot of physics going on, but we didn't know a whole lot about atomic structure back in those days.

物理学在迅速发展，但在这之前并没有人对,原子结构有很全面的了解。

麻省理工公开课 - 固态化学导论课程节选

and so on, in the way that he had in those early days."

等等，用他们那时候的方式说“

耶鲁公开课 - 1945年后的美国小说课程节选

So, these are some of the controversies that arise these days from cost-benefit analysis, especially those that involve placing a dollar value on everything to be added up.

以上即为近来对成本效益分析,引发的一些争论，尤其是其中那些,认为可以用金钱衡量一切的观点。

耶鲁公开课 - 公正课程节选

Other days you have more normal intake, or you might be making up for the deficit the previous day and you might have more; and so which of those particular days gets chosen determines a lot on inferences made about a person's overall diet.

有些天你可能吃的比平时多,可以弥补前些天少吃的东西,甚至还要更多,这些特定日子的选择,对推断人的整体饮食,影响很大

耶鲁公开课 - 关于食物的心理学、生物学和政治学课程节选