一年中要动1-2次。5月卖，10月买。＞20%也是可能的。

来源: Tianyazi 于 2013-09-11 21:06:10 [博客] [旧帖] [给我悄悄话] 本文已被阅读：次

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