Didn't you hear me ask him about the slave trade last night ? 昨天晚上你没听见我向他打听贩卖奴隶的事情吗？
2.
The government passed a law to suppress the slave trade 政府颁布了一条法律制止贩卖奴隶。
3.
Pity and compassion had been generated in the subterranean barracoons of the slaves and were no more than the agony and sweat of the crowded miserables and weaklings 怜悯和同情产生于关押和贩卖奴隶的地窖里，不过是挤成一团的受苦者和软弱者的痛苦和汗水而已。
