self-medicate       
verb [ I ] uk/ˌselfˈmed.ɪ.keɪt/ us/ˌselfˈmed.ə.keɪt/
 自我开药
to take medicine without asking a doctor
  90 percent of the people questioned self-medicated, usually for pain or colds. 被问到的人中,90%曾给自己开药,通常是为了止疼或治疗感冒等。 
 
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