•Book by August 1, 2011 11:59, from your city of departure. * W3 q+ ?$ A8 i* w; _: j& \ I•Valid for travel between July 27 and October 31, 2011 , Y4 w. l; |7 I8 l! ~具体内容自己看吧 & z4 Y% ~8 d2 v6 |http://www.aircanada.com/en/offe ... t/asiadiscount.html