- 1可以用的、能用的、堪用的。台灣講「堪用」最貼近那個「不算好但還能用」的味道。做網站或產品時講的「好用、易用」是 usable，名詞 usability 台灣業界直接說「易用性」或直接講英文。
If something is usable, you can actually use it — it works, it is in good enough condition, it is allowed. A phone with a cracked screen may still be usable. Old milk is not. A ticket from last year is no longer usable. There are two shades worth separating. The first is simply "still working, not broken or expired". The second, softer one is "good enough to use, though not great" — when someone says "the room is small but usable", they are praising it very . Hear that hedge; native speakers do. In computing and design the word has grown a specific life of its own: a usable website means one that ordinary people can figure out without help, and from this we get usability, a whole field of study. Both spellings exist, usable and useable, but usable is far more common now — write that one. The opposite is .
From the word’s history
From Old French usable, from user 'to use'.
源自古法文 usable，從動詞 user「使用」來。
組成use + -able, the ending meaning "can be ...ed". English took it from Old French usable, built on the verb user, to use. The -able ending is one of the most useful things in English: attach it to a verb and you get "able to be done" — washable, readable, breakable.
原始詞典資料3 筆記錄
以下是外部詞典記錄的用法，摘錄並精簡格式，我們還沒有寫成教學內容。上面的說明才是我們自己寫的；有些用法可能上面已經講過了。
usableadj/ˈjuː.zə.bəl/
- 1
Capable of being used.
- The late Professor Pat White was an outspoken critic. In his 1986 book Forgotten Railways, he dismissed as smoke and mirrors the oft-used argument that 33% of rail routes carried only 1% of the traffic, as it ignores the fact that a third of the national road network also only carried 2% of cars and lorries. But unlike rail, road got away with it because no mention was made of how much it cost the taxpayer to keep them usable.
- 2
Easy to use; exhibiting good usability.
- 3
homosexual
- 2019 episode 1 A Very English Scandal Are you telling me that you were useable?
摘錄自 英文維基詞典 English Wiktionary，已精簡格式；依 CC BY-SA 4.0 授權使用，改動後的內容同樣以此授權提供。