原句应为：however, on tv and the radio you will hear differences in the way (in which） people speak. 这是定语从句~ in which 可省略 先行词the way
however, on tv and the radio you will hear differences the way (in which）people speak. 这是状语从句+定语从句 the way 引导的是状语从句 同时它本身又作定语从句的宾语 in which 可省略