adjective🔗Share没有效率的，徒劳的。 Not productive; useless; fruitless."Juggling is an amusing pastime, but generally unproductive."玩杂耍是一种有趣的消遣，但通常来说没什么用处 (wán záshuǎ shì yī zhǒng yǒuqù de xiāoqiǎn, dàn tōngcháng lái shuō méi shénme yòngchù).workbusinesseconomyachievementChat with AIVocabulary GamePractice Reading
adjective🔗Share不再产生新词的，缺乏生产力的 (of affixes, mechanisms of word formation, etc) No longer used to produce new words ()."The suffix "-ess," once used to regularly create feminine forms of nouns (like "poetess"), is now largely unproductive in modern English. "后缀“-ess”曾经经常被用来创造名词的女性形式（比如“poetess”），但在现代英语中，它现在基本上已经不再用于产生新词了。linguisticswordChat with AIVocabulary GamePractice Reading
