More than 40 million people were estimated to be victims of modern slavery in 2016 -- and one in four of those were children.
원문출처 : http://www.cnn.com/2017/09/19/world/global-slavery-estimates-ilo/index.html
원문출처 : http://www.cnn.com/2017/09/19/world/global-slavery-estimates-ilo/index.html