However, since hundred and thousand of years, there has no comprehensive and systematic study about art of parallelism. It is a disequilibrium phenomenon, in the study history of Wenxin Diaolong.
然而，千百年来，却缺乏对骈偶进行全面而系统的研究，这在《文心》的研究史上是一种极不平衡的现象。
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