InEurope_______arethetwoleadingcontendersforaglobalreservationssystem.
A、SABREandGALILEOC
暂无解析
Hefound_______difficulttostudymaths.
Thevisitingministerexpressedhissatisfactionwiththetalks,________thathehadenjoyedhisstayhere.
AccordingtoMaslow,self-actualizationneedexcludes_______
________inthought,healmostranintothecarinfrontofhim.
WhichofthefollowingisnotmentionedasWTO'sobjective?