needing no outside help in satisfying one's basic needs, especially with regard to the production of food
(尤指食物生产)自给自足的
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I don't think Botswana, due to the climate, could ever be self-sufficient in food .由于气候因素,我认为博茨瓦纳不可能在食物方面自给自足。
emotionally and intellectually independent
(情感、智力上)独立的
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their son was a little bit of a loner and very self-sufficient .他们的儿子有点不合群,而且非常独立。
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