一天晚上，有消息传到奴隶居住区，说次日早晨在“主屋”里要发生一件不寻常的事情。
One evening , word was sent to the slave section saying that something unusual was going to take place at the big house the next morning .
一大批翻身农奴和奴隶担任了自治区各级领导职务。
Many emancipated serfs and slaves took up leading posts at various levels in the region .
奴隶区