$1!Be!0P'Y$(B: s $1!04K7o!3b!T&!L&!0=!Ze (B/s - $1'a-!5"'V>s ($1!4I!0a (B: s $1!Ky!GDi!&!YJ!CUi!&!Be!N#!0$'Rw'CU!<p(B,s, 2007)
Keywords: China -- Civilization