Only by mastering core technologies can we remain invincible.
在采矿业中,效率和环境保护必须齐头并进。
一切都在流动,一切都在变化,没有永恒不变的东西。
The most important thing is to enjoy your sport. If you don't enjoy it, it's very difficult to achieve good results.
"You don’t forget the face of the person who was your last hope."