人工培育蘑菇的产量和成本控制应该是相当可预测的。经营不下去应该是销售方面的问题吧。

来源: borisg 于 2019-01-15 06:13:21 [博客] [旧帖] [给我悄悄话] 本文已被阅读：次

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