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.

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。

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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.

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。

youdao