乘地铁非常快节省时间还能减少污染的翻译：Take the subway very fast saves time but also to reduce pollution 什么意思？中文翻译英文，英文翻译中文，怎么说？

青云英语翻译

Subway is very fast to save time but also to reduce pollution

Take the subway very fast saves time but also to reduce pollution

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Take the Metro is very fast time-saving can also reduce pollution

Take the subway very fast saves time but also to reduce pollution