名词
中文翻译：旅行单位
同义词：
['tourist unit', 'tourist unit of measurement']
例句：
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1. The company has introduced a new travel unit for its employees.
该公司为员工引入了一个新的旅行单位。
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2.The new unit will be used to measure the distance traveled by tourists.
这个新单位将被用来测量游客所走的路程。
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3. The government has decided to introduce a new travel unit to reduce carbon emissions.
政府决定引入一个新的旅行单位以减少碳排放。