•Book by August 1, 2011 11:59, from your city of departure. 3 x3 Z! y2 S3 ^. ^•Valid for travel between July 27 and October 31, 2011 ! I& k, H2 T" J- Q具体内容自己看吧 0 h- ^) R7 m7 w; }! S! mhttp://www.aircanada.com/en/offe ... t/asiadiscount.html