还有一个额外的功能,在没有成本加倍。
假设供应商们的条件相当,在没有成本差异的情况下,谁能得到订单并却订单的数量是多少?
Assuming the suppliers are equal in every other respect at what quantity will it make no difference in cost who gets the order?
在几乎没有成本的情况下,数百万人已被从病痛和早死中挽救回来,他们的家庭也被从痛苦中挽救了回来。
At virtually no cost, many millions of people can be saved from painful, premature deaths, and their families from misery.
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