There are some different opinions on the print-time of Guan Zi Bu Zhu.
关于《管子补注》的刊刻年代，前人论说多有不同。
Firstly, the paper comments on some different opinions, and points out their shortcomings.
首先评析了以前各家解释，指出其难以成立之处。
There are some different opinions on Principles of assumed liability in intellectual property right infringements.
知识产权侵权行为究竟应适用何种归责原则，我国理论界和实务界尚存争议。
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