研究人员承认，他们不确定为什么男性和女性对笑容的反应不同。
The researchers admit they are not sure why men and women reacted differently to smiles.
法律的任务或作用，并不是去创造利益，而是承认、确定、实现和保障利益，它正是通过对利益的调整来实现其对社会的控制。
The task or effect of law is not to create interest but to admit, difme, realize and safeguard it, and it realize its control to the society just by regulating the interest.
翻译作业和研究首先应该建立在承认混沌的基础上，然后确定临时的、相对的秩序。
Translation practice and research should be done with a recognition of the state of chaos and with a view of implementing a provisional and relative order.
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