Self-perfectionCOCA¹⁹⁸⁰⁵¹BNC¹²⁶⁴¹⁶⁺⁴ 基本例句 自我完善¹⁰⁰ The reform and opening-up endeavor is an embodiment and a creative development of the Chinese spirit of constantly striving for self-perfection and renovation in modern times. 改革开放，是中华民族自强不息和变革创新精神在当代的集中体现和创造性发展。5156edu