这些卡片通常有颜色密码显示。一看就知道某间房是单人间还是双人间，并且里面有什么设备。
The cards often have a color code that shows at a glance whether a particular room is a single or a double and what other facilities it offers.
温馨提示：按照来访时提供的卡片上的用户名和密码登录即可查看图片列表！
Warm Tip: Please login with the user name and the password provided on the visiting card to view images list!
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