if more people in American could use a bus or train ,then the air_英语解答

if more people in American could use a bus or train ,then the air would be cleaner 的意思

人气：199 ℃　时间：2020-03-30 14:03:57

解答

如果更多的美国人能够乘坐公交车或火车,那么天空会变的更加洁净.