Five hundred dollars, please. And could you give me ten dollar in small change?
请换500美元。再另外能否给我10元的小面额零钱?
In the first place, any scientific study requires that there be no preferential weighting of one or another of the items in the series it selects for its consideration.
首先,任何科学研究都要求人们对可供考虑的诸多因素不能厚此薄彼,偏向某一方面。