It is believed to have originated in South America in the early 1900s, and later spread to Europe before crossing over to sub-Saharan Africa.

它被认为是在20世纪初起源于南美洲，后来传播到欧洲，然后跨越到撒哈拉以南的非洲。

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Indeed many places, such as large parts of Western Europe, sub-Saharan Africa and Australia, had no domesticable native species at all.

许多地方，如西欧大部，下撒哈拉非洲和澳大利亚，则完全没有可驯化的本地物种。

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The burden of malaria is heaviest in sub-Saharan Africa but the disease also afflicts Asia, Latin America, the Middle East and even parts of Europe.

疟疾负担最重的是南撒哈拉非洲，但该病也影响亚洲、拉丁美洲、中东和欧洲部分地方。

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The UN's forecasts for eastern Europe and sub-Saharan Africa are especially dark.

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Its CEO, Mr. Colao, has taken the hint and announced plans to concentrate the company in Europe, India and sub-Saharan Africa rather than expanding elsewhere.

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North America and Europe suffered declines in economic freedom over the past year, while economic freedom increased in Asia and sub-Saharan Africa.

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