名词
中文翻译：Unknown
同义词：
['free', 'gratis', 'complimentary', 'on-site', 'off-peak', 'discounted']
例句：
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1. The free parking lot is a great convenience for visitors.
免费的停车场是游客的一大便利。
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2. The company offers free Wi-Fi in all its branches.
该公司在所有分支机构提供免费Wi-Fi。
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3. The discounted tickets are available for purchase at the box office.
折扣票可以在售票处购买。