我曾经听说过这样一个故事:有一个地质勘探小组在原始森林里迷路了,而经验丰富的老队长又不幸被蛇咬伤。弥留之际,老队长取出一块圆形的石头,对队员们说“:这块石头就是我们要找的矿石,价值非凡,你们一定要设法走出森林,把这块石头拿回去作最后鉴定。”队员们十分小心地护着这 I once heard of this story: There was a geological exploration team lost in the virgin forest, and the experienced old captain was unfortunately bitten by a snake. On his deathbed, the old captain took out a round stone and said to the players: “This stone is the ore we are looking for. It is of extraordinary value. You must try to get out of the forest and take this stone for final identification.” The players are very careful to protect this