他们认为，富裕国家的婴儿死亡率已经很低，要想进一步增加总体平均寿命，就要大大降低初老期的死亡率。

Because infant mortality in rich countries is already low, they argued, further increases in overall life expectancy will require much larger reductions in mortality at older ages.

youdao

五月初的一个明媚清晨，我悄然离开位于新墨西哥州的时髦温泉老镇“真理或结果”（原名白兰鸽温泉镇），直奔东南面的广袤沙漠。

Early one clear, still morning this past May, I slipped out of the funky old hot-springs town of Truth or Consequences, New Mexico, and headed southeast into the high desert.

youdao

伴着初醒码头特有的老摩城歌曲的旋律，捡着垃圾。

To the strains of old Motown songs from the waking-up pier, he is gathering litter.

youdao