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Profitless means two close things, and people slide between them. First: it does not make a profit. A profitless shop takes money in, but after costs there is nothing left — or there is a loss. Second: it is not useful to do. A profitless argument gets you nowhere; a profitless hour gives you nothing back. Though actually, in speech most people say unprofitable when they mean money, and pointless or a waste of time when they mean effort. Profitless is a little more written, a little older in feel, and it covers both money and ‘no use’ without changing the word. You can still use it; just know it is not the first word a young speaker reaches for.
無利可圖的；沒有益處的
組成From profit + -less. Profit is the gain you keep; -less means ‘without’.
同家族的字
- profitthe base word: the gain you keep after costs
- profitablesame profit; the opposite idea — it does make a gain
- unprofitablethe more common business word with the same money meaning
原始詞典資料1 筆記錄
以下是外部詞典記錄的用法，原文照列，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。
profitlessadj
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not yielding profit
- I pray thee, cease thy counsel, Which falls into mine ears as profitless As water in a sieve...
資料來源：英文維基詞典 English Wiktionary（CC BY-SA 4.0）。 原文照列，未經改寫。