以ness后缀的单词有：safeness安全性、happiness幸福；快乐；适当、silliness愚蠢、witness目击者；证人、loneliness孤独；寂寞、glibness 圆滑；善辩、abstractness 抽象性、preparedness 有准备、vividness 活泼；等等
Social security system is the guarantee of completeness, safeness and profitability of social security fund.
社会保障制度是社会保障基金完整性、安全性和收益性的保证。
He's being silly, because he knows that we enjoy the silliness!
他故意发傻，因为他知道我们喜欢傻事。
Development and Application of War Preparedness Management System for Mobile Medical Service Units
机动卫勤分队战备工作管理系统的开发与应用
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