continuing study by working 基本例句 勤工俭学 Cai Hesen while working in the school study, the spread of revolutionary ideas, work-study program in France, the movement has Gaoyang indelible contributions to the people.蔡和森曾在该校边工作边学习，传播革命思想，在留法勤工俭学运动中高阳人民有着不可磨灭的贡献。