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The value of an economic model lies in its ability to explain and predict.
Sustainable fishing is not an option, but a responsibility we must fulfill for future generations.
解释:既要追悔以往的过失,也要预防将来可能发生的错误。
如果技术不能解决实际问题,它就毫无意义。
The human mind is a complex system, and understanding it requires a multidisciplinary approach.