carefree基本解释
adj.无忧无虑的;轻松愉快的;不在意的
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adj.无忧无虑的;轻松愉快的;不在意的
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"the carefree joys of childhood"
"carefree millionaires, untroubled financially"
"carefree with his money"
"freewheeling urban youths"
"had a harum-scarum youth"