Thebiggestsafetythreatfacingairlinestodaymaynotbeamanwi...
問題詳情：Thebiggestsafetythreatfacingairlinestodaymaynotbeamanwithagunbutthemanwiththeportablecomputerinbusinessclass.Inthelast25years,pilotshavereportedwellover200incidentsthat(25)__________havebeenca...