Edinburgh's tourist tax: a UK first 爱丁堡将成为首个收取游客税的英国城市
Modern life makes us tired, right? But research from societies in Africa and South America suggests people in the ancient ...
China Economic Net21 小时
China's upgraded TP500 civil UAV conducts maiden flight
BEIJING, March 1 (Xinhua) -- A new configuration of the TP500 civil unmanned aerial vehicle (UAV), an optimized prototype tailored for airworthiness certification, has successfully conducted its ...
财富中文网 on MSN10 小时
亚马逊全新AI语音助手Alexa面世，每月收费20美元
为了表明亚马逊对期待已久的Alexa升级充满信心，该公司计划每月向消费者收取20美元的服务费，但亚马逊Prime会员可以免费使用。新版Alexa服务适用于Alexa设备、亚马逊智能家居设备、新的Alexa.com网站和新的Alexa应用程序。