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来源:雅诚德英语网
The thought of Xia and Yi gradually came to being and became systematic in the long history course from Spring-Autumn period and the Warring-States period to Qin-Han Dynasties.
夏夷思想是从春秋、战国时期到秦统一中国的漫长的历史过程中由产生而日渐系统化的。