求翻译：目前,城市的街道上出现了越来越多的猫与狗。为此，我班展开了有关城市是否应该养宠物的讨论。很多同学支持养宠物。他们认为：养宠物可以安慰孤寡老人。能够让人与动物和谐相处，增添生活乐趣。但是，一部分同学认为，宠物的排泄物能造成环境污染。是什么意思？

Currently, the city's streets have an increasing number of cats and dogs. To this end, my class started on whether the city should be a pet discussion. Many students support the pet. They said: You can pet comfort living alone. People and animals can live in harmony, adding to the fun of life. Howev

At present, the city's streets, there has been an increasing number of cats and dogs. To that end, I was whether the city should be discussed in a pet. Many of the students support a pet. They were of the view that a pet can be comforted lonely elderly people. To be able to let people live in harmon

At present, on the city street appeared more and more many cats and the dog.Therefore, my class has launched the related city whether should raise the pet the discussion.Very many schoolmates fosters the pet.They thought that,Raises the pet to be possible to comfort the widowed senior citizen.Can le

Currently, the streets of the city appeared on a growing number of cats and dogs. To this end, I started a discussion about the city should keep a pet. Much student support pets. In their view: keep pets can comfort lonely old person. Can allow the harmonious coexistence of man and animals, adding a

Currently, the streets of the city appeared on a growing number of cats and dogs. To this end, I started a discussion about the city should keep a pet. Much student support pets. In their view: keep pets can comfort lonely old person. Can allow the harmonious coexistence of man and animals, adding a