你還是沒明白，不是84歲以上隻有7。8%可能性得癌症，每100個得癌症的有7.8個人是84歲以上：）

來源: -百科- 於 2017-11-25 20:00:08 [博客] [舊帖] [給我悄悄話] 本文已被閱讀：次

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