Cheating is now considered to be a major problem in colleges and universities.

现在作弊也被看作是大学的一大问题了。

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The H5N1 virus is now considered to be endemic in birds in large parts of China.

据目前认为，H5N1病毒在中国很大一部分地区的禽鸟中流行。

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The H5N1 virus has infected so many millions of poultry in Southeast Asia that it is now considered to be 'endemic' in the region.

H5N1病毒感染了东南亚数百万家禽，因此被认为已经地区性流行。

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Africa is now considered to be the largest market for mobile technology in the world.

FORBES: Up for Debate: How Mobile Media is Transforming Africa for Good

It is now considered to be a spent force presenting little threat to the state.

BBC: NEWS | Americas | Shining Path leader offers truce

Acapulco, the biggest resort city in the area, is now considered to be one of the most violent cities in the country.

FORBES: Looking Back at 2012: A Year of #Mexico #Drugwar Tweets