•Book by August 1, 2011 11:59, from your city of departure. 2 h {0 d! P6 ]% D" _8 y•Valid for travel between July 27 and October 31, 2011 ; v: h! U- C! e- G, h* v具体内容自己看吧! [9 X$ G# n6 @+ K http://www.aircanada.com/en/offe ... t/asiadiscount.html