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原文：微笑永远是微笑者个人的“专利"，它不能租，又不能买。
译文： Smile is always a "patent" of its owner, it can neither be rented nor bought.
Smile is always a“patent" of its owner, for it can neither be rented nor bought.
(考点:两个从句之间不能用“,”连接,必须使用连词。若译为“Smile is always inseparable from its owner, for it can nceither be rented nor bought",也视为正确。)
