And the question remains whether her family had a legal or moral right to receive payment after something of monetary value was made from their mother's cells.

VOA: special.2010.07.21

There's no question that there was a Greek colony there and as I say the archaeological remains confirm the general time for this happening.

这是确凿无误的,但是,正如我所说,考古学上仍有某些有待解决的问题

耶鲁公开课 - 古希腊历史简介课程节选

Transparency remains a big question in Gabon.

VOA: standard.2009.08.28