The crash was a direct result of inadequate navigational aids.

坠机是导航不力的直接后果。

《柯林斯英汉双解大词典》

There are two other sets of navigational AIDS to consider as you design your site.

当你设计你的站点的时候，需要考虑另外两套导航设备。

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There are two other sets of navigational AIDS to consider as you design your site.

当你设计你的站点的时候，需要考虑另外两套导航设备。

youdao