尽管人家向我们保证飞机是有史以来最安全的旅行工具的翻译：Although they assured us that the plane is the most secure travel tools 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

Although the people assured us that the aircraft is the most secure travel

Although they assured us that the plane is the most secure travel tools

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Although we guarantee to people was the largest ever safe travel tools

Although they assured us that the plane is the most secure travel tools