A recent survey has suggested that one fifth of people in China have never heard of Aids.

最近的调查显示五分之一的中国从没听说过艾滋病。

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But the survey shows that China is still a lack of many young people to protect themselves from AIDS-related viruses of the knowledge and skills.

但是调查显示，中国仍有许多年轻人缺乏保护自己免受艾滋病病毒侵害的相关知识和技能。

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