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)。
晶体管可能是20世纪最重要的发明,而它的诞生故事是科学史上最有趣的故事之一。
We all complete. Maybe none of us really understand what we’ve lived through, or feel we’ve had enough time.