2003年，荷兰农学家雷一鸣看到，风中山西省奶农，在把实实在在的牛奶倒进了水沟里，因为那里没有足够的需求。
In 2003, Dutch agriculturalist Marc DE Ruiter saw dairy farmers in windswept Shanxi province literally pouring their milk down the drain because there was not enough demand.
雷帕霉素即制药商惠氏（Wyeth）的品牌免疫抑制剂雷帕鸣（Rapamune），它常用来阻碍器官移植和心脏支架手术后的排斥反应。
The compound is branded by drug maker Wyeth as Rapamune and is used to suppress the immune system and ward off rejection after organ transplants and in heart stents.
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