現代人的壽命比過去長多了，而且檢驗手段也更高級。靈敏，所以“發現”癌症的幾率比過去多多了。

來源: lavendar99 於 2013-07-13 12:02:05 [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.