"you are really a good child who cares for the environment. everyone is like you,于是也帮着她一同捡垃圾,人人都像你这样,听完老奶奶的一席话,爱护环境, 有一天,i thought,她是人们的功臣, let me know that we should take good care of health. there is only one earth. it s everyone s responsibility t