Both kinds of model share a debt to Leon Walras, a 19th-century French economist.

但是这两类模型却都无法满足由19世纪的法国经济学家里昂·瓦尔拉斯提出的经济模型应该满足的条件。

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In the 19th century Leon Walras and William Stanley Jevons both started their work with a view to importing the insights of physics into the economic sphere.

19世纪，莱昂·瓦尔拉(leon Walras)和威廉•斯担利•杰文斯(William Stanley Jevons)都开始着眼于将物理学的真知灼见引入经济学领域。

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