Mwangura,whose claim can not be verified, told VOA the pirates may not be telling the truth when they deny the existence of the arms.

VOA: standard.2009.11.10

They are not the kinds of things which can be verified.

诗歌不是经得起核实的东西。

耶鲁公开课 - 文学理论导论课程节选

The reports could not be independently verified.

VOA: standard.2009.11.16