Summary | Participants gave thumbs-up in Alibaba's Tmall
unmanned supermarket after receiving discount for smiling at
the Light of the Internet Expo during the fourth World Internet
Conference in Wuzhen, East China's Zhejiang province, December
3 to 5, 2017.
unmanned supermarket after receiving discount for smiling at
the Light of the Internet Expo during the fourth World Internet
Conference in Wuzhen, East China's Zhejiang province, December
3 to 5, 2017.
chinadaily.com.cn | 26 December 2017