当前,中国经济正步入以“中高速、优结构、新动力、多挑战”为主要特征的“新常态”。在新常态的四大特征中,中高速、优结构、新动力分别对应经济增长、结构转换和技术进步,它们是经济发展的永恒话题。其中,动力问题最为关键,无论是保持中高速增长,还是主动调结构、应对经济社会风险挑战等,都需要有充足的发展动力。目前, At present, the Chinese economy is entering a “new normal” characterized by “high-speed, superior structure, new impetus and multiple challenges.” Among the four major characteristics of the new normal, medium-high-speed, superior structure and new impetus correspond to economic growth, structural transformation and technological progress respectively. They are the eternal topic of economic development. Among them, the most crucial issue of motivation is whether there is sufficient impetus for the development, whether it is maintaining a medium and high-speed growth, adjusting the structure on its own initiative, or tackling the economic and social risk challenges. Currently,