Did you have to pay extra fee for checking out late for an hour? (你退房晚了1个小时需要额外付费吗?)
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What does “ bell man” mean?
A. 敲钟人
B. 行李员
C. 伴郎
How do you express “信用卡”in English? (信用卡用英语怎么说?)
A. Credit Card
Business Card
C. Post Card
There is no check out in some homestays. (有些民宿不需要办理退房手续。)
A. True
B. False
普通变量会在每根K线都初始化一次,记录不了上次赋予的值。
A. 对
B. 错