这一房产或其中任何部分有用于商业活动吗？
Is the property or any part thereof used for commercial activity?
这一举动引发了一场洗衣房墙上的信件大战。
This act started a battle of letters posted on the wall of the laundry room.
研究人员说，这一发现对促进人们锻炼身体有很大的指导意义，并且为改变健身房的运作方式提供了支持依据。
The findings have important implications for the promotion of physical activity and support a change in the way gyms operate, the researcher said.
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