Could you keep your roomcarduntil you ?

A. Go to customs
B. check out
C. have a dinner
D. take a taxi

will take your luggage and show you the way.

A. The teacher
B. The doctor
C. The bellman
D. The scientist

翻译 registration form

A. 登记表
B. 海关申报单
C. 广告
D. 机场标识牌

Good morning, I’m leaving today. May I (酒店付账单)now ?

A. check in
B. settle the bill
C. do homework
D. take a lift

大数据5V特征

数据可视化的定义

网络爬虫含义

金融大数据的关联分析目的

机器学习含义

机器学习基于学习方式的分类