1. They got a London weighting of $600 a year.
    他们每年有600镑的伦敦地区生活补贴.

2. 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。