high income group

The high income group consumed more energy, protein and fat than the poorer groups did.

高收入组的能量、蛋白质和脂肪的消耗量比低收入组高。

The earlier group enjoyed a high degree of mobility but the later one was less fortunate, suggesting that movement between income groups is slowing down.

前一组人有很高的流动性，而后一组人则没有那么幸运。这说明，不伺收人人群之间的流动正在减慢。

The debate about working moms is often conducted as if the only group affected were guilt-ridden high-income college-educated women.

关于职业女性母亲的讨论一直都有。看起来参与这个话题的只是那些充满内疚的高收入高学历妇女。