The idea that climate change might be linked to tropical storms has been highly controversial.

气候变化与热带风暴有关的观点存在着很大的争议。

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We have always been told to apply sunscreen to prevent skin cancer but until now the effectiveness of sunscreen's protection against melanoma has been highly controversial.

一直以来我们都是被告知防晒霜可以预防皮肤癌，直到现在防晒霜对黑色素瘤的预防作用还存有争议。

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Yet this same novel, so highly influential and much admired by writer and reader alike, has been one of the most controversial and frequently banned books of American literature.

尽管它极具影响力并且受到作家和读者广泛赞誉，但它同时也是美国文学界争议最多、频繁遭到封杀的作品之一。

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But it has been highly controversial - initial attempts to close some English-medium schools with falling rolls has met with huge opposition.

BBC: Bi-lingual schools thrive in nations

Google's Street View service has been highly controversial around the world and many governments in Europe and beyond have tried to restrict the company's operations.

WSJ: In Lithuania, the Tax Man Cometh Right After the Google Car Passeth

Paul, son of Libertarian Rep. and perennial presidential candidate Ron Paul, has been a highly controversial candidate as a result of his stance on civil rights and his desire to see a dramatic shrinking in the role of the federal government.

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