借糊塗兄的話，隻計算回報率不考慮風險就是耍流氓。哈哈。。。好吧，隻要你喜歡。

來源: parentb 於 2025-07-21 16:21:43 [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.