可供选择的多种航空票价的英文

alternative air fares routings

• 可:    approve
• 供:    offerings
• 选择:    pick and choose; s ...
• 的:    4次方是 The fourth po ...
• 多种:    multiple; various; ...
• 航空:    aviation; voyage
• 票价:    the price of a tic ...