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au pair noun

  /oʊ ˈpɛ(ə)ɹ/ , /əʊ ˈpɛə/
  • A single girl (or, rarely, a boy), usually a foreigner, who helps a host family with childcare, housework, or both while staying as a guest with a host family, and generally receives a small allowance (or pocket money).
オペア, オーペア
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