Nopany. It is said that some people feel lonely to live alone, then a pet can drive away the loneliness. What's more, raising a pet can cultivate a person's sense of responsibility, because he has to take care of the pet very carefully.
养宠物有很多好处。人们把宠物当作家人，有个伴。据说一些独自生活的人感到孤独，宠物能够把孤单驱散。而且，养宠物可以朋友一个人的责任感，以为他要细心照顾好宠物。
There are also disadvantages. It takes time to take care of the pet, like to feed and wash the pet. The most difficulty thing is to deal with the shit. The one who likes to keep clean is not suitable to have a pet. What's more, some pets may bite people and brings threat to people's health.
不好的方面也存在。照顾宠物花时间，比如给宠物喂食和洗澡。最困难的事情就是处理粪便。喜欢干净的人是不适合养宠物的。而且，一些宠物会咬人，威胁人们的健康。
Keeping a pet is not easy, once we have a pet, we must take care of it very carefully.
养宠物不容易，一旦我们有宠物，就要细心照顾好。