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Air China blackout dates are subject to change without further notice.
以上限定日期若有变动，依中国国际航空公布为准，恕不另行通知。
youdao
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Blackout Dates above can be varied at any time without any further notice.
以上限定日期若有变动，恕不另行通知。
youdao
-
Blackout Dates above can be varied at any time without any further notice.
以上限定日期若有变动，恕不另行通知。
youdao