挑战是伪装的机会,用勇气和创造力去迎接它们。
Memory is identity... You are what you have done; what you have done is in your memory; what you remember defines who you are.
We must remember that this is a very small star and probably some of the larger and the more important stars and may be very virtual and happy.
经济周期不仅仅是围绕某个平滑趋势的波动,而是经济受到根本性冲击的结果。
"The essence of mathematics lies in its freedom."