free of charge

形容词 adj. 副词 adv.
中文释义
美 /fɹiː ʌv t͡ʃʰɑɹd͡ʒ/

英文释义

形容词 adj.
  1. Not requiring any payment. not-comparable
    — Buy two and pay for just one – the other is free of charge.
副词 adv.
  1. Without any payment being required. not-comparable
    — They were giving the tickets away free of charge.
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