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。
The find of the century - Children aged 13 and 11 discover cave paintings.
“本世纪的重大发现--13岁和11岁的孩子发现了岩画”。