影响癌症的因素太多，俺觉得用统计数据来draw conclusion太难。

来源: 陌上花开缓缓行于 2014-08-18 10:58:45 [旧帖] [给我悄悄话] 本文已被阅读：次

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影响癌症的因素太多， 俺觉得用统计数据来draw conclusion太难。