求翻译：有必要研究国外关于冷静期制度的理论基础以及立法例，从而采撷其精华的部分并结合中国有关的立法实践，为中国消费者法律制度的完善提供一份有益的参考是什么意思？

It is necessary to study abroad , and enactment of legislation on the basis of systems theory calm , so pick it essential part of China in conjunction with the relevant legislative practice , to provide a useful reference for the improvement of the legal system of Chinese consumers

It is necessary to study abroad on cooling-off period of system theory, as well as legislation, thereby gathering the essence of the section and in conjunction with the relevant legislation and practice in the Chinese consumer legal system in perfect for a useful reference

It is necessary to study overseas as well as sets up the legal regulation about the calm time system rationale, thus picks its essence the part and unifies the Chinese related legislation practice, provides a beneficial reference for the Chinese consumer legal regime consummation

It is necessary to study abroad on a cooling off period system theories and the legislation, so as to gather the essence of part of China-related legislation and perfection of the legal system for Chinese consumers to provide a useful reference

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