智慧的开端是术语的定义。
The work on IVF was driven by the desire to help infertile couples.
The purpose of statistical methods is to provide a rational basis for drawing conclusions from data.
统计方法的目的是为从数据中得出结论提供合理的基础。
每一本书都是一次旅程,每一次旅程都是一本书。
Don't let anyone tell you that you can't do something.
Free education is abundant, all over the Internet. It's the desire to learn that's scarce.