1. The baby-boom generation (people aged 43-62) are glummer than the young or the elderly, according to Pew.
据Pew调查，与年轻人以及年纪更大的人相比婴儿潮一代（年龄在43-62之间）更为忧愁。
2. The two groups of the population that are growing fastest are the over-55s and the so-called echo boomers, the grandchildren of the baby-boom generation.
增长最快的两个群体分别是55岁以上的人和所谓的回声潮一代人（EchoBoomers），即婴儿潮一代人的孙辈。
3. As the US and Europe struggle to come to terms with the aftermath of a bubble economy, rising public debt and the retirement of the baby-boom generation, they should look to Japan with respect.
美国和欧洲正疲于应对泡沫经济、公共债务不断上升和婴儿潮（baby-boom）一代退休带来的后果，他们应该怀着尊敬的心情向日本取经。
4. A member of a baby-boom generation. The baby boom swelled the population.
婴儿潮[生育高峰]使人口膨胀。