免費諮詢 用心滿足客戶需求，致力創造完美生活環境為一貫的理念，盡心為客... I would not say it's constantly acceptable. Generally You simply see it for dates (one example is, "she was born circa 1920"). The Wiktionary short article on 'circa' indicates (but won't explicitly condition) inside the usage notes that It is useful for dates and actions, so your examples https://richardh566cpa0.wikicommunication.com/user