Rest belongs to the work as the eyelids to the eyes.

礼貌，并不需要花钱。用完马桶后，把马桶盖放下；上电梯时，耐心等别人出来再进去；把购物车放回指定区域；在借东西时，归还时要东西的状态要比你借的时候还要好（例如给车加满油、把物品清理干净）。

解析：心与物相互感应。

The best economic research is often interdisciplinary.

性别与经济学的交叉揭示了权力和机会的隐藏动态。

I don't know if you know who you are until you lose who you are.?

医学的未来在于基因组学、蛋白质组学和系统生物学的整合。