名词短语中文翻译
中文翻译：机械式结账
同义词：
['automatic checkout', 'automated checkout']
例句：
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1.At the airport, you can use a mechanical checkout to check in your luggage.
在机场，你可以使用机械式结账来办理行李托运。
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2. The checkout line was backed up due to the heavy crowd.
由于人流量大，结账队伍排得很长。
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3.The convenience of electronic checkout has made it more popular among customers.
电子结账的便利性使得它更受顾客欢迎。