•Book by August 1, 2011 11:59, from your city of departure. 9 u+ ?' k N, h+ S•Valid for travel between July 27 and October 31, 2011 8 ~7 P# r( S* @/ r- ]/ u具体内容自己看吧. w |! `. n2 l& h http://www.aircanada.com/en/offe ... t/asiadiscount.html