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。
All the stories of families, heroes, wars and journeys are passed down from generation to generation.
所有家族、英雄、战争、旅行的情况都是世代口传的。