that's easy. 白大哥also use Ying-Yang to describle opposites
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送交者: JZ 于 2008-03-13, 10:09:39:
回答: 谁在BIO/MED领域的应该给PNAS写信要求PNAS澄清其对君臣的立场 由 Enlighten 于 2008-03-13, 10:04:29:
Emperor-Servant may someday to describe primary and secondary
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