《盗梦空间》也提出了这样一个难题，确认一件事到底是真实还是梦境的难题。

Inception also makes a point about the difficulty of knowing if something is real or a dream.

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就像研究人员所说的，从他们的发现提出了这样的一个问题，关于“用法律的强制性去处理一个根本不存在的难题”的智慧问题。

As the researchers say, their findings raise questions about the wisdom of "diverting law enforcement resources to attend to a problem that does not appear to exist."

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