extremely_serious_problem_有道手机词典

1.There is no denying that piracy is an extremely serious problem.
无可否认，盗版是一个极其严重的问题。
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2.There is no denying the fact that air pollution is an extremely serious problem and we should take strong measures to deal with it.
不可否认，空气污染是一个极其严重的问题，我们应该采取有力措施来解决它。
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3.There is no denying the fact that air pollution is an extremely serious problem: the city authorities should take strong measures to deal with it.
不可否认，空气污染是一个极其严重的问题：市政部门应该采取有力措施来解决。
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