问题描述：
问题解答：
The ground surface is built with cement, different from the hotel carpet, it is easy to plot the dust.
The cement/concrete ground is quite different as comparing to the carpeted floor inside the hotel, it can get dusty quite easily
Cement on the ground surface is different from the hotel carpet on the ground, dust easily
Cement is the venue on the ground.Different from the hotel carpet on the ground for easy to dust.
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