覺得如用 has proven, 後麵要加東西. For example: has proven to exist; has proven true, et al.
覺得如用 has proven, 後麵要加東西. For example: has proven to exist; has proven true, et al.
• you are right -Arline- ♀ (140 bytes) () 10/06/2011 postreply 13:35:08
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