名词
中文翻译：双重用途
同义词：
['dual function', 'dual purpose']
例句：
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1. The new software has a dual usage for both personal and professional purposes.
这款新软件既适用于个人也适用于专业用途。
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2. This device is designed for dual usage, with both hands-free and voice control features.
这款设备设计用于双用，具有免提和语音控制功能。
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3. The company's new product offers dual usage, providing both entertainment and productivity benefits.
该公司的新产品提供了双用功能，既提供娱乐又提供生产力效益。