______isrecognizedasthenationalflag-carrier.
B
暂无解析
TheWesternCouncilforTravelResearchin_______employedthetermvisitor.
______alittleearlier,Iwouldhavecaughtthetrain.
In1985,_______becamethefirstinternationalhotelcompanytoopenahotelinChinabearingitsownname.
Touristexpenditureshavedifferenteffectsonadestinationeconomy:salesbyfoodvendorstorestaurantsare_______effect;whiletaxifaresandairlineticketsalesare_______effect.