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　　One of which is that social science must spread from theory to technique and be directly used to rebuild the objective world.

　　挑战之一就是社会科学必须从理论走向技术，转变为直接用于人们改造客观世界的各种社会技术。

　　However, there are still some problems needing urgent attention, one of which is that the assess index system is not rational enough.

　　但是也存在着一些亟待解决的问题，考核指标体系不合理就是突出问题之一。

　　But there are special circumstances involved here, one of which is that no rational economic actor disobeys an order from his wife.

　　不过，我们家这件事还存在着一些特殊情况，其中的一条是：没有哪位理性的经济人会不听老婆的命令。

　　The dual character will result in dual influence, one of which is that it may bring about reduction of transaction fees with a positive act.

　　由这种二重性所产生的影响也具有两方面，降低交易费用，这是其积极的一面。

　　But there are probably other reasons why they run or don't run, one of which is that sometimes they listen to their wives.

　　但是，他们参与竞选与否可能还有别的原因，其中一条就是他们有时还得对夫人言听计从。