求翻译：后来他在加拿大的得累斯顿为逃跑的奴隶建造了一个居住小区，并建造了教堂和学校，他坚信奴隶制度终将被废除，种族歧视消失的那天一定会到来是什么意思？

Later, he was in Canada for the Dresden escaped slaves built a residential area, and built churches and schools, he is convinced will eventually be abolished slavery, racial discrimination, the disappearance of the day will surely come

Later, when he was in Canada in Dresden to escape the slave by the construction of a residential area and built churches and schools, and he was firmly convinced that racial discrimination will be abolished, slavery was finally disappeared the day will certainly come

Afterwards he the slave who tired Si Duwei escaped in Canada has constructed a housing plot, and has constructed the church and the school, he believed the slave system end is abolished, racial discrimination vanishing that day could certainly arrive

He later in Canada have tired of lasting for escaped slaves built a residential area, and built churches and schools, will his conviction that slavery was abolished racial discrimination disappears the day will come when

Later Canada is tired of Aston for escaped slaves built a residential, and built churches and school, he believed slavery will be abolished racial discrimination the day disappear will surely come