謝謝講解，現在明白多了。

來源: 肖莊於 2015-07-21 20:34:06 [博客] [舊帖] [給我悄悄話] 本文已被閱讀：次

WENXUECITY.COM does not represent or guarantee the truthfulness, accuracy, or reliability of any of communications posted by other users.