jmousetrap讲的是：一群老鼠在一个世界里，同时旁边放了很多乒乓球，一个老鼠把球抛向空中砸到另一只老鼠，另一只老鼠则也把球跑向空中。最终会产生一个平衡状态-jmousetrap say is this: a group of rats in a world, next to put a lot of table tennis at the same time, a mouse ball into the air fall on the other mice, another mouse was also ran the ball airborne. Will eventually produce a balance