Such courses, Hacker argues, are a remedy to the numerical illiteracy of adults who have completed high-level math like algebra but are unable to calculate the price of, say, a carpet by area.
哈克认为,这类课程对于缺乏算术能力的成年人来说是
种补救措施,他们虽然学完了像
数这样的高等数学,但却不会算价格,比如按面积计算地毯的单价。