Firstly, you should know what a virtual function is, and how to use it.

首先，你应该知道什么是虚函数，以及如何使用它。

youdao

What should you do when you come to a word and you think you don't know what it means?

当你遇到一个单词，却不知道它的意思时，你应该怎么做？

youdao

You should document any and all exceptions that a member function throws at you so that other programmers know what their code will need to catch.

您应该对成员函数向您掷出的所有异常编制文档，以便其它程序员知道他们的代码将需要捕捉什么。

youdao

So you should know when you look at a graph like this what it's doing.

因此当你看到这样一个图表时,要知道它是怎样运动的

耶鲁公开课 - 基础物理课程节选

You should know what multiplying a vector by a number means.

你需要知道数乘矢量的意义

耶鲁公开课 - 基础物理课程节选

If you follow my section of the site here at all, you know that I constantly reference Steam as a model for what other media companies should be aiming for with digital distribution.

FORBES: The Numbers Behind Steam's Success

And, you know thinking about it as a brand new supply and demand situation makes clear what they should have done: created a new brand name with less alcohol.

FORBES: Where Maker's Mark Went Wrong On Diluting The Bourbon: Not Enough Economics

TUAW's David Chartier wants to know what you would change about Apple Mail and Laurie A. Duncan wonders if Apple should offer a free OS X virtual machine inside every iPod.

ENGADGET: The Weblogs, Inc. Network brings you its best of the best HD