求翻译：由于现实制度设计的缺陷，导致不公平、缺乏效率的现象屡见不鲜，因此如何使社会保障制度设计既体现公平又兼顾效率成为一大重要课题。是什么意思？

Reality system design flaws, resulting in unfair, inefficient, are common occurrences, so how to make the social security system design not only reflects the fair and take into account the efficiency becomes an important subject.

Because Reality system design flaws, and result in an unfair, lack of efficiency of the phenomenon are not uncommon, and therefore how to make social security system design is both fair and balanced efficiency as one of the important tasks.

Because the realistic system design flaw, causes not not fairly, the deficient efficiency phenomenon common occurrence, therefore how causes the social security systems design both to manifest and the proper attention to both efficiency to become a big important topic fairly.

As the reality system design flaw lead to unfair and inefficient phenomenon is not uncommon, so how to make the design of the social security system is fair and efficiency became a major issue.

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