曾经,张醒生是体制内“又红又专”的干部苗子,后来,他又成为跨国公司的职业经理人。现在,张醒生正在向人生的第三阶段跨越——投身于公益环保领域 Once upon a time, Zhang Xingsheng was a cadre who was “red and expert” in the system. Later, he became a professional manager of multinational corporations. Now, Zhang Xingsheng is leaping over to the third stage of his life - devoting himself to the field of public welfare and environmental protection