我们在小区或学校附近经常会看到流浪的小猫小狗,它们或独自或成群结队地寻找着食物,非常可怜。每当这时,我不禁会想,这些宠物的主人是谁,怎样才能联系上他们,告诉他们自己的宠物在什么地方?宠物的主人也一定很着急,一定在不停地寻找它们。如何帮助宠物和它的主人呢?我想到一个办法—二维码标识牌! We often see wandering kittens and puppies near our neighborhoods or schools. They are very poor looking for food either alone or in droves. Whenever this time, I can not help wondering who the owners of these pets are, how to contact them and tell them where their pets are? The pet owners must also be anxious and must constantly look for them. How to help pet and its owner? I think of a way - two-dimensional code plate!