中共中央党校权威理论专家叶笃初近日接受采访表示,今年以来的党建成果已经为四中全会的成功召开做了重要准备,四中全会有望给中国的政治、经济和社会生活带来五方面积极变化：一、中国共产党的党内自身净化和完善 According to an interview conducted recently by Yichu Tso, an authoritative theoretical expert at the Party School of the CPC Central Committee, the achievements of party building since the beginning of this year have made important preparations for the successful convening of the Fourth Plenary Session and the Fourth Plenary Session is expected to bring about five positive changes in China’s political, economic and social life: First, the Chinese Communist Party’s own internal purification and improvement