Such externalization of costs significantly reduces the costs of raw materials to given produ cers and hence increases the margin of profit.
这种
外部化显著降低了特定生产者
，
升了利润差额。
Such externalization of costs significantly reduces the costs of raw materials to given produ cers and hence increases the margin of profit.
这种外部化显著降低了特定生产者，升了利润差额。
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