明白，就像買股票，要買在底部的右邊。謝謝。

來源: 回國聚會於 2012-08-13 17:34:06 [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.