完善 wánshàn comprehensive
(of systems, facilities etc) comprehensive; well-developed; excellent; to refine; to improve
How to remember 完善: 完 finish + 善 good = comprehensive.
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How it is used
- Describes a system, mechanism, or set of facilities as thorough and well-developed: 制度完善 (zhìdù wánshàn) - the system is well-rounded. Also works as a verb, to refine: 完善制度 (wánshàn zhìdù) - to improve the system. Compare 完美 (wánměi), which means flawless/ideal and applies more to art, moments, or people - 完善 is about completeness and coverage, not aesthetic perfection. Formal, written register.