然而，20世纪最伟大的冒险故事之一中他的角色在国外几乎无人知晓，甚至连其他探险家也不知道。
However, his part in one of the greatest adventure stories of the 20th century is hardly known outside his own country, even by fellow explorers.
对比之下，当大学几乎全招本地学生的时候，这些名校因为知道自己优势明显，无人能及，因而不思进取了。
By contrast, when iversities mostly recruit locally, well-known campuses can coast along, knowing they have a brand that can hardly be challenged.
现在几乎每人(无人)知道这些浮质到大气层何处会消失，也不了解这些浮质究竟会对气候带来什么样的大致影响。这可能是笔误。
Little is currently known about where such particles end up in the atmosphere and what overall effect they have on the climate.
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