（）simplicity,wemayputthetheorybrieflyasfollows. A: Asaresultof B: Forthesakeof C: Inconsequenceof D: Intermsof
（）simplicity,wemayputthetheorybrieflyasfollows. A: Asaresultof B: Forthesakeof C: Inconsequenceof D: Intermsof
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