Simplifiedwordsarecommonlyusedintelexmessagesbecausethechargeforatelexisbasedon（）.
B
暂无解析
E-commercenotonlyinvolvesexchangesamongcustomers,businesspartnersandvendors,butalsoincludesoperationsthathandledwithinthebusinessitself.
Multimodaltransportreferstoatransportsystemusuallyoperatedbyacarrierwithonemodeoftransportunderthecontrolorownershipofoneoperator.
Whichofthefollowingcoveragecovergeneralaverageandsalvagecharges?____