back haul

基本解释

Back haul is the distance traveled from the delivery destination point back to the departure point.
回程是从交货目的地回到出发点的距离。。
Scenes of the long haul back from the slump show a nation struggling to rebuild after a battering that crossed ages, regions and occupations.
衰退之后的漫长历程中的一幅幅画面，展示的是一个国家在各年龄层次的人口、各个地区、各个行业均受沉重打击之后，正在努力进行重建的情景。
Driving between such major cities as Miami and Tampa is a back-numbing haul; flying between them, especially at the exorbitant fares many airlines charge, often seems impractical.
自驾车在佛州几个主要城市间，比如迈阿密和坦帕，作短途旅行，就已经让人腰酸背痛了；坐飞机往返城市间通常显得并不现实，机票太贵。

I can haul her back in, and there she is again.
我能把她拽回来，那么她就回来啦。
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In the short run, carriers have taken steps to manage spectrum more efficiently by splitting cell sites, offloading traffic onto local WiFi connections and upgrading back-haul networks.
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But it will be a long haul back to 33% and better.
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It was a long haul back.
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