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。
one, to my certain knowledge, spent nine months on a novel about Kashmir,
据我所知,有位作家花了9个月的时间写了一部有关克什米尔的小说,