1usefulness用途ADJECTIVE | VERB + UTILITY | PREPOSITIONADJECTIVE➤great, high很有用▸➤limited, low用途有限/不大➤potential潛在用途➤overall整體效用➤practical實際用途▸➤clinical, military, social臨牀應用;軍事用途;社會用途◇He argued that the arts have great social utility.他認為藝術有很大的社會功用。VERB + UTILITY➤have有用途➤maximize使⋯的用途最大化➤enhance, improve, increase增強效用;增加用途➤limit限制用途➤assess, evaluate, examine, investigate評估用途;檢驗用途;調查用途➤question質疑效用➤demonstrate, illustrate, show展示/闡明/顯示效用◇A number of researchers have demonstrated the utility of this approach.許多研究人員演示了這種方法的用途。PREPOSITION➤of... utility⋯的用途◇This computer is of low utility for the home user.這台計算機對家庭用戶用處不大。utility
noun²
2 (especially NAmE) service provided for the public公共服務ADJECTIVE | UTILITY + NOUNADJECTIVE➤municipal, public, state-owned市政公用事業;公用事業;國有公用事業▸➤investor-owned, privatized歸投資者所有的/私營公用事業➤regulated受到管制的公用事業➤large, major大型公用設施;重大公共事業➤local地方公共事業▸➤electric, electrical, power, water電力事業;供水服務◇a privatized power utility私營電力服務UTILITY + NOUN➤company (BrE, NAmE) 公用事業公司➤bill (BrE, NAmE) (水、電、氣等)公用事業費賬單➤commission (NAmE) 公用事業委員會◇regulatory agencies such as public utility commissions像公用事業委員會這樣的管理機構
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