怎么理解这个?

http://www.cbsa.gc.ca/security-securite/admiss-eng.html

所有跟帖: 

You also don't need PP but GC to return US from Canada - 回复:怎么理解 -pjiang- 给 pjiang 发送悄悄话 pjiang 的博客首页 (182 bytes) () 08/21/2009 postreply 10:30:24

谢谢PJ老师. 有您的话我就安心了. -X-RAY- 给 X-RAY 发送悄悄话 X-RAY 的博客首页 (0 bytes) () 08/21/2009 postreply 10:35:39

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