一个国家制度的强度不仅在于其正式规则,还在于管理行为的非正式规范以及这些规范被人口内化的程度。
Quality is not a fortune; it is a plan.
阿富汗是我过去的一部分,是我欢笑与哭泣的土地,但它已不再是家。
"Understanding the immune system is understanding the key to unlocking new cancer therapies."
The world is so full of people, so crowded with these miracles, that they become commonplace and we forget.