Note: please ask agent before you pay money $; otherwise, you will lose much money if you met a "bad agent" $ u- Z. f% T, [: T' |) L! {# c& B
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OK, Air canada usually charge $200 for cancallation penalty # f: ?- H) S) G5 L" Q + H7 M, y W5 {Info from: http://www.flygreatchina.com