有一个叫做“狡兔三窟”的成语，说的是野兔在构筑洞穴时，会设置多个洞口，为自己留下足以全身而退的出路，以防猎人或天敌到来时被逼入绝境，束手就擒。《孙子兵法》中说，多算胜，少算不胜，而况不算乎。狡兔三窟，智者多算。当钱塘江畔吴越争霸的硝烟尚未熄灭的时候，范蠡 There is an idiom called “The Three Caves of the Tortoise,” which means that when building a cave, the hare will set up more holes to leave enough room for the whole body to avoid hunters or natural enemies when they are forced into desperation. “Art of War,” said that many wins, little too numerous, but the condition is not careless. Jiaoti three caves, wise people more calculations. When the Qiantang River Wu Yue hegemony of the smoke has not extinguished the time Fan Li