，
;
！呜呼！;Transfer of property.The payment for CERs follows delivery.
CER的买
通常是先交付后付款。
Transfer of property.The payment for CERs follows delivery.
CER的买通常是先交付后付款。
Such externalization of costs significantly reduces the costs of raw materials to given produ cers and hence increases the margin of profit.
本外部化显著降低了特定生产者的原料本，并提升了利润差额。
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