No, but not hurt to provide it.
所有跟帖:
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謝老師,另問回程機票是提供改簽前的麽
-米蘭妮-
♀
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11/15/2011 postreply
14:04:23
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Not need回程機票 for B2 extension.
-863211-
♂
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11/15/2011 postreply
16:07:34