篮球是一项纯粹的发明,它不是从任何其他游戏衍生而来的。
The history of all hitherto existing society is the history of class struggles.
The petroleum industry must proactively adapt to the energy revolution and accelerate digital transformation and intelligent upgrading.
电影是一种记忆的载体,它能够保存那些我们可能已经遗忘的瞬间和情感。