人类的历史是在不同气候条件下为生存而斗争的记录。

These are something inside,that they can't get to ,that they can't touch,That's yours.

True understanding comes from grasping the inner structural relationships of a problem.

I'm not a girl, not yet a woman.

我不是一个喜欢融入的人。

Hard work beats talent when talent doesn't work hard.

Safety isn't just a policy, it's a culture that starts at the top.