这里是加航关于这个coupon的详细情况: 8 d. q. B. I$ I, M & Z" h# r! Z' n+ U4 q; L1 ~1. Valid on all Air Canada operated flights worldwide. & ~; f0 T! r& P8 B2. Codeshares are excluded 8 ~7 S3 e; f: o" W+ v3. Valid on all fare types.0 j0 W0 v' q$ a- @6 Q! v$ C
4. For travel from September 15 until December 14, 2012.0 F. U3 Q) H4 c- y
5. Book by April 29, 2012, 11:59 p.m. local time, from your city of departure.