正确倍投的六种方法

简介：Where is the melon vendor? Show me the place! The third son glanced at him sideways, and then followed Lao Dai's fingers. A tricycle was parked beside him. A simple table was set up on a watermelon stall, with more than a dozen pieces of bright red watermelon cut on it. A young man was standing there. He enthusiastically sells watermelons to passers-by.