•Book by August 1, 2011 11:59, from your city of departure. . u1 Z2 z6 Y* U/ ]3 C•Valid for travel between July 27 and October 31, 2011 # B r7 z0 D" c具体内容自己看吧 ; W% F I' Q3 p# j" Z: P7 Y+ c# e& Lhttp://www.aircanada.com/en/offe ... t/asiadiscount.html