From before domestic aviation carriage market still is a primary market only, market growth is immature, lack ego adjustment function, market stability is poor.
自前国内航空运输市场还只是一个初级市场，市场发育不成熟，缺乏自我调节功能，市场稳定性差。
2
By comparison with the common travelling carriage, it has achieved obvious economic benefits. Its various index targets have come up to advanced domestic standards.