动词短语
中文翻译：空置
同义词：
['be idle', 'be vacant', 'be free', 'be unoccupied']
例句：
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1.The house is sitting vac for the summer vacation.
这房子在暑假期间空置。
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2.The office is vacant now that the manager has left.
经理离开后，办公室现在是空的。
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3. The garden is a great place to sit and relax during the day.
花园是白天放松的好地方。