According to IATA's forecast, the air passenger volume in the Chinese market is expected to reach 6 billion by 2037.


According to IATA's forecast, the air passenger volume in the Chinese market is expected to reach 6 billion by 2037.

A.正确

B.错误

正确答案:B


Tag:向世界讲述中国 时间:2021-05-19 15:09:51