你是否曾有过这样的体会:当你赶时间去参加一个重要会议时,发现街上所有的出租车不是有客就是不搭理你;而当你不需要出租车的时候,却发现有很多空车。还有,如果你在浴室里不小心打碎了镜子,尽管仔细检查和冲刷,也不敢光 Have you ever had the experience that when you were in a hurry to attend an important meeting, you found that all the taxis in the street were neither guests nor greaters, but when you did not need a taxi, you found a lot of empty space car. Also, if you accidentally break the mirror in the bathroom, not dare to light, despite careful examination and scouring