偏差和方差之间的权衡是机器学习中的一个基本概念。
It is not the benevolence of the employer that determines the wages of labor， but the competition among employers.
译文：成名多是在穷苦的岁月里发奋磨砺取得的，失败多是因为在得志时松懈造成的。赏析：古人说，生于忧患，死于安乐。人时时保持一颗忧患的心去做事，自然就会顺遂，而在得意时就忘乎所以，往往就会招致失败。
The world is a story, and we are all its characters.
尊严是一种面具，我们戴着它们去掩饰我们自己的无知。
The internet is a tool that can be used for good or bad. It's up to us to decide how we use it.