Logisticaloperationscanbedividedinto（）.
WhichofthefollowingdescriptionsaretrueaboutNVOCC_____?
Whichofthefollowingrisksbelongtospecialadditionalrisks_____?
现行约束信用和托收业务的国际惯例是（）。
Whenthegoodsareshippedonboard,relevantcommentsoncargoconditionsshouldappearin（）.
