他们在山顶设立了一个前哨站以观察周围的情况。

They set up an ___outpost on the hilltop to observe the surroundings.

这个偏远的小村庄是文明在山区的前哨站。

The small remote village serves as an ___outpost of civilization in the mountainous region.

这家科技公司在迪拜设立了一个前哨站，以拓展中东市场。

The tech company established an ___outpost in Dubai to expand into the Middle East market.