I was part of a huge conference last summer in West Africa on the end of the slave-trade in Ghana, and we had representatives we had people participating in that conference from 15 or 16 different African countries.

我去年夏天曾参加过西非的一个大型集会,纪念是加纳奴隶交易的结束,会议上有来自各国的代表,有15或16个非洲国家的代表,参与的这次大型会议

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