Is economics as a theory of rational behavior at an individual level?
作为一个理性的行为经济学理论在个人层面。
Therefore, where is the threshold in the middle for which the economics of reuse makes sense, and the answer is probably at some component level, if we're very loose about what we mean as components.
因此，哪里是在中东门槛，而经济的再利用才有意义，答案可能是在一些部件级，如果我们非常松散意味着什么，我们的组成部分。
Therefore, where is the threshold in the middle for which the economics of reuse makes sense, and the answer is probably at some component level, if we're very loose about what we mean as components.
因此，哪里是在中东门槛，而经济的再利用才有意义，答案可能是在一些部件级，如果我们非常松散意味着什么，我们的组成部分。
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