•Book by August 1, 2011 11:59, from your city of departure. . j! W; z% H% M9 B. R/ a+ w0 ~$ `•Valid for travel between July 27 and October 31, 2011 % z0 [4 h* P1 P7 Y具体内容自己看吧 # W$ H, u( X. nhttp://www.aircanada.com/en/offe ... t/asiadiscount.html