调查负责人、杜克大学福库商学院(Duke' s FuquaSchoolofBusiness)金融学教授约翰·格雷厄姆(Johnr . Graham)表示，目前可能是美国经济自1979- 81年出现二次衰退以来最长时间的经济疲软。
'This could be the longest slowdown since the double-dip recession of 1979-81,' said survey director John R. Graham, who is a finance professor at Duke's Fuqua School of Business.
伦敦国王学院的教授约翰 麦克格雷斯说，移植的皮肤组织没有血管，因此缺氧。
Professor John McGrath, from King's College London, says grafted skin tissue has no blood vessels and therefore no oxygen.
伦敦国王学院的教授约翰 麦克格雷斯说，移植的皮肤组织没有血管，因此缺氧。
Professor John McGrath, from King's College London, says grafted skin tissue has no blood vessels and therefore no oxygen.
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