The machines will be made of the best materials and the stipulations of the contract be strictly observed.
机器将用最好的材料生产,合同的规定也将得以严格履行。
Thus one simple fact, a change in the number of bison, had an effect on the whole wildlife chain of the plains.
因此,出现了这样一个简单的事实--野牛数目换的变化对平原的整个野生生物链都产生了影响。