我们没有卫星导航系统，所以就用传统的地图和指南针了。

We didn't have satnav, so the traditional map and compass took over.

《柯林斯英汉双解大词典》

尽管金星和水星没有卫星，火星却有两个卫星，更别提各有超过60个卫星的土星和木星。

While Venus and Mercury have no moons, Mars has two, while Saturn and Jupiter have more than 60 each.

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金星和水星都没有卫星。

Venus doesn't have a moon. Neither does Mercury.

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