In those days the rubber boots that the workers wore to help prevent them from slipping had no ventilation and the sweat rolling down their legs gathered inside. To prevent sweat from pooling inside the boots they would poke a small hole into the heel so that the sweat could drain out. Such stories provide some insight into the hardships of Chang Ching-lai's childhood.
那年代穿著防滑膠鞋很不透氣，成串汗水沿著大腿流進鞋子裡，為了免除膠鞋裡「積汗」，工人們都會在鞋跟處挖一個小洞，讓汗水排出去，辛苦吃力可見一斑。