据萨依说，这个科学所教导的是，财富或交换价值是怎样生产、分配和消费的。
It is (says J. B. say) that science which teaches how riches, or exchangeable values, are produced, distributed, and consumed.
据萨依说，这个科学所教导的是，财富或交换价值是怎样生产、分配和消费的。
It is (says J. B. say) that science which teaches how riches, or exchangeable values, are produced, distributed, and consumed.
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