For the latter, the perfect function and easy using is needed.

而对于后者则要求应用程序功能完备，易使用等。

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The perfect function of removing cutin and obviously promote the absorbing ability of the skin-care product.

完美的去角质功能，显著提升护肤品吸收能力。

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Although this system is only a prototype, we believe that it would become a really applied system that has the perfect function in the future.

本系统还只是个原型系统，相信随着时间的推移，其功能将不断完善，必将成为一个真正实用的系统。

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So what is the function of Kallipolis, ? this perfect, this beautiful city?

因此，到底，Kallipolis，的功用为何，这个完美的美丽之城？

耶鲁公开课 - 政治哲学导论课程节选

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