And according to the International air Transport Association, an airline grouping, air freight is booming, up by 34% in May on a year-on-year basis.
而按照国际航空运输协会，今年五月份空运运价同比涨幅达到了34%。
2
The thorough comprehension of different roles of a freight forwarder is the only basis to clarify legal rights and obligations between freight forwarders and their customers in practice.