biased sample to start with.

來源: ManOfHonor 於 2013-12-10 11:37:32 [] [舊帖] [給我悄悄話] 閱讀數 : (145 bytes)

immigrants were top-notch both in  minds and physical capabilities,  if these ppl lived in Shanghai, they wud live even longer :-)

請您先登陸，再發跟帖！