whereases s正式文件的开场白
CONJ（连词） You use whereas to introduce a comment that contrasts with what is said in the main clause. 而 (引导与主句内容相对比的评论)
Benefits are linked to inflation, whereas they should be linked to the cost of living.
救济金与通货膨胀联系了起来，而它们应该与生活费用挂钩。