一条狗如果是野狗,它要靠自己去找东西吃;后来就算是给人做了猎狗与看家狗,也是靠努力才能得到主人的赏赐.因此也有努力的方向;唯独成为宠物狗以后,它们慢慢知道只要自己会贴近主人,给主人撒娇.那么不用努力干活,也能得到宠物粮.因此慢慢地它们就成为依赖主人而活着的一类。 If a dog is a dingo, it depends on itself to look for something to eat. Later, even if it was a human made a hunting dog and a dog, but also rely on their efforts to get the owner's reward. Therefore, there are efforts in the direction; Slowly know that as long as they will be close to the owner, to spoil the owner, then do not work hard, but also get pet food, so slowly they become dependent on the host and living a class.