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?

《牛津词典》

节假日高峰期酒店一房难求，最好先预定。

Hotel rooms are difficult to find at the peak of the holiday season. You'd better make a reservation in advance.

youdao

他们退到另一房间秘密磋商。

They retired to another room for private consultation.

《新英汉大辞典》

Now, maybe the one-room metaphor is not the best metaphor, because it immediately prompts the question, "Well, what's on the other side of the wall?"

也许一间房的比喻并不是最好的,因为它立刻会引出这个问题,墙的另一边是什么呢

耶鲁公开课 - 死亡课程节选

If you just saw the news yesterday, Fannie Mae is predicting, well, they are predicting that Fannie Mae is going to make huge losses in their latest earning statement.

如果你看了昨天的新闻,房利美预计,他们估计,房利美最新一期的损益表上,将会显示一大笔亏损

耶鲁公开课 - 金融市场课程节选

But of course, there's a different possible explanation-- the one-room explanation.

当然,还有另一种可能的解释,一间房的解释

耶鲁公开课 - 死亡课程节选