What do we mean by the legacy of slavery? Is it something measurable - or perhaps a feeling that echoes of a terrible past can still be heard today?

• 我们说奴隶贸易的遗留问题,是什么意思?是可以测度的有形的东西,还是一种感觉,一种对今天仍能听到的那段可怕历史的感觉?