人们都会有这种经验:如果进了一间从未去过的房子,里面伸手不见五指,一片死寂,那么无形之中,心情会紧张起来,稍微有一点风吹草动,也会吓得心惊肉跳。走夜路或行迷雾中,也是如此,总有一种不踏实、不安全感,产生一种像要发生点什么意外的疑虑。为什么呢?因为你面对的是一片茫然,你无法确知你面临的究竟是什么。所以有人说,人 People will have this experience: If you enter a house that has never been to, which can not see the fingers, a dead, so invisible, the mood will be tense, a little bit of trouble, it will be scared. The same goes for walking in the night or in the fog. There is always a sense of insecureness and insecurity that gives rise to doubts as to what happens. Why? Because you are facing a loss, you can not know exactly what you are facing. So someone said, people