一个人、一个团体、一个组织没有了对手也一定会走向怠惰和没落。美洲虎是一种濒临灭绝的动物,现在世界上仅存17只,其中有1只生活在秘鲁的国家动物园。为了保护这只虎,秘鲁人从大自然里单独圈出一块地来,让它自由地生存。参观过虎园的人都说,这儿真是虎的天 A person, a group, an organization without an adversary will certainly go lazy and decline. Jaguar is an endangered animal, and now there are only 17 in the world, of which only one lives in Peru’s National Zoo. In order to protect this tiger, Peruvians from the nature of a separate circle, let it free to survive. People who visited the tiger park say that this is a tiger’s day here