—— 请按键盘 空白键 开始游戏 ——

The meaning of a word is its use in the language.
一个词的意义在于它在语言中的使用。
解释:犯了错误能够改正的人,是百姓中的上等人。
The house is a small city, the city is a large house.
Technological innovation in mining isn't about replacing people, but about making their jobs safer and more productive.