网球是一项残酷的运动。没有平局。如果你输了，你就出局了。

Whenever people talk to me about the weather, I always feel certain that they mean something else.

Sustainable development is not an option, but a necessity for the coal sector.

没有必要把生活看得太严肃。你永远无法活着离开它。

我不是商人，我就是生意本身。