面对挑战要迎难而上,把危机转化为发展机遇。
Facing challenges requires courage to overcome difficulties and turn crises into development opportunities.
概率论归根结底不过是常识的微积分化。
The more you know, the more you realize you don't know.
The past is a foreign country; they do things differently there.
The best time to plant a tree was twenty years ago. The second best time is now.