They've promised to keep both we quality and the quantity of the 300 bicycles in conformity with the contract stipulations.
他们已承诺那300辆自行车的质量和数量一定与合同规定相吻合。
No, more, about 130 years ago. Most of the slave owners were rich farmers who lived in the south. They wanted to keep their slaves.
不,还要早,大约130年前。大多数奴隶主都是住在南方的富有的农场主。他们想保留自己的奴隶。