所有人都是我们的导师,恶人通过他们的恶行说'不要靠近我'。善人总是善良的,所以所有人都像导师一样对我们。
有一个人从天堂来到人间旅游,他所使用的是有效三十天的减价票,他试图要把他的回程票卖掉。
The language of chemistry is universal, transcending borders and cultures.
The ultimate goal of machine learning is to make computers learn from experience and improve their performance over time.