奥巴马在上海与中国青年对话会的演讲（中英文字幕高清视频+中英对照文本）
Nong hao! Good afternoon. It is a great honor for me to be here in Shanghai, and to have this opportunity to speak with all ...
Nong hao! Good afternoon. It is a great honor for me to be here in Shanghai, and to have this opportunity to speak with all ...