ODP - Open Directory Project
"The Open Directory Project is the largest, most comprehensive human-edited directory of the Web. It is constructed and maintained by a vast, global community of volunteer editors."
Kids_and_Teens: International: Chinese_Simplified: 健康:
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- 中国青少年近视网 [ 青少年 ] - 近视青少年和家长的交流平台，提供近视预防及治疗信息和专家免费在线咨询。
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