权衡得失是一个汉语成语，读音是quán héng dé shī，意思是比喻考虑办一件事的成果和损失。
从进化论的角度看，权衡得失对动物来说是非常明智的。
It would be very wise for an animal to weigh gains and losses from an evolutionary perspective.
在进入年轻的或未经证实的系统之前，重要的是要权衡得失。
Before buying into a young or unproven system, it's important to weigh the pros and cons.
农民是遵循理性原则的，追求自己最大化的效用，具有权衡得失利弊及选择行为的能力。
The behavior choice of peasants in maintaining their rights under external intervention was discussed. It provided a new visual angel for sol…
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