贝班，根据我的分析，这个策略风险不是那么小，历史数据看赚的也不是每年30%。上一年大概18%

来源: slow_quick 于 2017-11-20 15:49:11 [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.