More recently, privately funded space efforts have gotten off the ground.

最近，私人资助的太空项目已经取得进展。

But all these remain ideas, none of them have gotten off the ground.

但这些想法没有一个升空过。

And if we do all of that, we'll have gotten off the ground.

如果我们做到了所有这些，我们才能顺利开始。

Mars Sample Return is a proposed mission but it hasn't gotten off the ground yet.

火星样本取回任务是一项计划中的任务，但它还没有进行。

But the technology is getting off the ground.

但这项技术正在进步。

But the rocket finally got off the ground.

但是火箭终于还是驶离了地面。

It needed a powerful rocket to get off the ground.

这需要十分强劲的火箭才能脱离地球表面。

But if lunar gardening ever gets off the ground?

但如果月球园艺能够成功开展呢？

So, buckle up ya'll as CNN 10 gets off the ground.

现在请系好安全带，本期CNN 10马上出发。

Officials said the jetliner had struggled to get off the ground.

官方称飞机曾试图起飞。

The hardest part about launching a rocket is truly getting off the ground.

发射火箭最困难的部分是真正离开地面。

But for this flying monster, getting off the ground is the hardest task.

但对于这只飞行怪兽起飞才是最困难的。

But it's not clear when or if Starshade will get off the ground.

但目前还不清楚遮星板何时或是否会发射。

These days, what he mostly does is help other entrepreneurs get off the ground.

如今，他主要是帮助其他创业者的事业起步。

And so, once you get off the ground, those leg muscles are dead weight.

但是，一旦离开地面，这些腿部肌肉就成了累赘。

Flights started getting off the ground again on Monday morning when the air quality improved.

随着空气质量的改善，周一早上一些航班再次开始起飞了。

But NASA says, once its megarocket got off the ground, it's been smooth sailing.

但美国宇航局表示，一旦巨型火箭离地升空，就会一帆风顺。

Yesterday marked exactly 40 years since NASA's Space Shuttle Program got off the ground.

昨天是美国宇航局航天飞机计划实施整整40年的日子。

The key word here is active. Mars Sample Return is a proposed mission but it hasn't gotten off the ground yet.

这里的关键词是“正在进行”。火星样本取回任务是一项计划中的任务，但还没有开始进行。

There are many possible objections to this idea even getting off the ground, as Bostrom notes.

正如博斯特罗姆所指出的那样，即使这个想法真正被开启，也可能有许多反对意见。