And so if you know what patterns of zeroes and ones to look for as you will yourselves this year in that forensics problem set, can you recover a lot of that data?

如果你知道如何去发现,这些0和1的排列规则,这也是套题中的问题，你就能恢复把这些大量数据恢复？

哈佛公开课 - 计算机科学课程节选

and if you're a good test taker, and you know how to take the test

所以如果你善于考试，知道如何应试

被学问的自由所迷住 - SpeakingMax英语口语达人

If you don't know how to measure anything, you are doing algebra and trigonometry.

如果你不知道如何进行测量,你就是在研究代数或者三角函数了

耶鲁公开课 - 基础物理课程节选

If your dealer quotes you a discount rate of 2.51%, you know how to convert that into the price and that's all that matters--all that really matters is the price you have to pay.

如果经销商告诉你折扣率是2.51%,你要知道如何转换成价格,真正和你有关系的,是你需要付多少钱

耶鲁公开课 - 金融市场课程节选

You know how pressure changes with temperature at constant volume if you know the equation of state.

如果你知道状态方程,知道在体积恒定的时压强如何随着温度变化。

麻省理工公开课 - 热力学与动力学课程节选

This is useful especially when we get to details like forensics and looking at data on a hard drive, - 'cause if you don't know how much store-- how many bits are composing your file, you're never gonna recover that data or be able to access what you're looking for.

这是很有用的，尤其是在法庭上,查看硬盘驱动器里的数据时，如果你连-,文件有多少比特都不知道，你如何去恢复数据,获取你想要的信息呢。

哈佛公开课 - 计算机科学课程节选

If I give you a function, you know how to take the derivative.

如果我给你一个函数,你就知道如何求导

耶鲁公开课 - 基础物理课程节选