CBCisawell-knownaircompanywhichhasovertwentyplanesfly...
問題詳情： CBCisawell-knownaircompanywhichhasovertwentyplanesflyingalong12fixedlinesallovertheworld.Itsserviceisverygoodbutsomepassengersarestillnotsatisfiedwithitandthatiswhyin2007and2008thecompanyr...