RAM You probably know your computer has something called RAM which is where documents and programs live just temporarily while you're running them 'cause RAM tends to be pretty fast and whereas your hard disk is where programs and files live permanently.

也许你知道电脑有一个,正在使用的程序和文件都暂时存放在那里,而且会加快电脑速度,而硬盘是程序和文件,永久存储的地方。

哈佛公开课 - 计算机科学课程节选

Sometimes there were interesting little problems that emerged and one of those has to do with the use of chariots in warfare.

偶尔会有一些有趣的小问题出现,这往往和战争时使用的二轮战车相关

耶鲁公开课 - 古希腊历史简介课程节选