When Joe Biden toured Pfizer’s Covid-19 vaccine manufacturing plant in Kalamazoo, Michigan, earlier this year, his visit appeared to mark a thaw in relations between Washington and large pharmaceutical companies.
今年早些时候，乔·拜登(Joe Biden)参观了辉瑞(Pfizer)位于密歇根州卡拉马祖(Kalamazoo)的Covid-19疫苗生产厂，他的访问似乎标志着华盛顿与大型制药公司之间关系的解冻。
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