定期航线经营的先决条件是，航线港口有持续和稳定的()
Becausethereisnodirectsteamerfromheretoyourport,wesuggestthatyou____trans-shipmentatHongKong.
Ifyoucanmakeusafirmofferata______price,wewillplaceanorderwithyourcorporation.
Itwasnotuntilthebeginningofthemeeting_____herealized_____Itoldhimwastheonlypossiblewaytodealwiththeproblem.
运输是使货物或旅客发生空间上的位移，而合理运输旨在()
