enough; adequate
足够的,充足的
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[as adj.]
he had a small private income which was sufficient for her needs 他有一小笔私人收入,这已经足够满足她的需求了
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[as determiner]
they had sufficient resources to survive. 他们有足够的资源可供生存。
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sufficientadj. & det.足够的;充足的
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efficientadj.效率高的;有能力的;能胜任的;防止造成…的浪费的
"Middle English (in the sense ‘legally satisfactory’): from Old French, or from Latin