—— 请按键盘 空白键 开始游戏 ——

The elegance of a proof is as important as its correctness.
In the global economy, cultural differences are the biggest challenge and the biggest opportunity.
注:上世纪七十年代末,面对美国不断飙升的通胀,时任美联储主席保罗·沃尔克疯狂加息,成功击退了高通胀,但也造成了衰退。