As many as 200 million cane toads in Australia pose a threat to native wildlife.

VOA: standard.2010.02.07

Censorship only comes into play once a text has actually been in circulation for a while, only after a number of readers have found a published text to pose a threat.

控制仅仅是一本书已经出版发行一段时间,一些读者已经发现这印刷的文本,造成威胁时才起作用的。

耶鲁公开课 - 弥尔顿课程节选

Baucus said he hopes for some Republican support and that he will be open to amendment suggestions, but none that would pose a threat to a bill that would go before the Finance Committee.

VOA: standard.2009.09.09