hi, how much for the round trip (back and forth), Beijing -Edmonton, within 6 months?# q5 N) z' e2 \
0 T$ i8 ~2 _* Z$ S5 u+ U3 vhow much for 1 year open airplane ticket? & c, _6 D( P! t( ^5 R, D' @ . l3 t/ H. F- q$ K8 u" {, j7 z: `Thank you for your information.