无可否认，盗版是一个极其严重的问题。

There is no denying that piracy is an extremely serious problem.

youdao

这是印度小额信贷产业的一个极其严重的问题。

This is a huge problem for Indian microcredit.

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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。

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.

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