But even if they do, the next step - adapting the cargo vessel so that it can carry people - will be a lot more complex than simply bolting in seats and pumping in oxygen.

如果他们实现了这些，下一步就是改造货舱形状以能运载人类。这个不只是用螺丝安装座椅和提供氧气这么简单。

youdao

We were airing in a lot of goods and that's why air [cargo] rates have gone up.

我们正在空运许多货 物，所以航空（货运）价格有所上涨。

youdao

Our mission involved moving a lot of passengers and cargo in theater.

我们在任务包括在战区内转移大量的人员和货物。

youdao

They spent a lot of this mission--they delivered the cargo that they had to the space station, but they spent a lot of the mission just making sure that the shuttle itself was safe to fly.

NPR: Shuttle Landing Delayed Due to Poor Weather

But accommodating pets requires a lot more than simply carving out space in the cargo hold for furry travelers.

CNN: STORY HIGHLIGHTS

We have heard a lot about SpaceX and how its Falcon 9 rocket will soon be used to send cargo and astronauts to the space station, but the upstart is also after a sizeable chunk of the satellite-launch market as well.

BBC: Rocket company hopes for calmer waters