I I
Most of the world’s
adult population
struggles to digest the
lactose in milk. Even
among the 29% or so
世界上绝大多数的成年人都难以消
(mostly of European
化牛奶中的乳糖。即便在全球约
descent) who can absorb
29% 可吸收乳糖的人群(大部分
it, self-diagnosed
是欧洲后裔)中,自我诊断的乳糖
lactose intolerance
不耐受情况也在增加。
appears to be on the rise.
142 143