请看以下数据：美国拥有490万间酒店客房，提供给3亿的人口。
Look at the statistics: The United States currently has 4.9 million hotel rooms catering to a population of 300 million.
比如说，一个酒店可以提供一个标准来说明酒店客房的不同类型，再结合价格来让客人做出最恰当的决定。
For example, a property might provide a matrix that explains what makes each room type different from the next, thereby justifying the price point and helping guests choose an appropriate option.
第一，一些酒店并未提供客房的图片，更不用说还分酒店客房的类型提供图片。
First, some hotels don't provide photos of guestrooms, let alone each type of guestroom.
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