There are some models that get considerably more mileage, but they cost considerably more money.

有一些型号能够行驶更多里程, 但则更为高昂。

The aircraft costs 25 million pounds and can carry heavier loads than huge jet planes while also producing less noise and emitting less pollution.

飞机2500万磅，比大型喷气飞机的载重量更大，同时也产生更小的噪声和污染。

And is that what makes Rolls-Royce so expensive?

劳斯莱斯高昂是因为这些原因吗？

Does it cost more than a standard shopping cart?

它比普通购物车的贵吗？

It sounds like it would be incredibly expensive. Has anyone actually built one?

听起来不菲啊。真的有人建了这么一栋建筑吗？

The $23 million aircraft isn't collecting any scientific info.

这架2300万美元的直升机并不需要收集任何科信息。

It's cost is estimated at $10 billion.

它的100亿美元左右。

The first one cost about $750,000 to build and about $100,000 a year to run and since it was installed in 2014 it's gotten some brothers.

第一台水车约为75万美元，每运行约10万美元，自2014安装以来，已经生产好几台水车了。

It costs $2.5 million to build and was listed for only $1 though bidding was at more than $50,000 last night.

它的为250万美元，虽然仅以1美元的格挂牌，但昨晚的出超过了5万美元。

I want one, but they still cost a lot.

我想要一台，可是电动车还是很贵。

The other advantage of Dr Gu's invention is that it is cheap.

谷博士这项发明的另一个优点是低廉。

They will, though, cost about the same as equivalent conventional bridges.

不过，它们的将与同等的传统桥梁差不多。

But land-based mini-reactors proved unreliable and expensive and have fallen out of favour.

但事实证明陆基迷你反应堆并不可靠、昂贵，已经失宠。

It took three years of research and development, and it cost around $20,000 to build.

其研发历时三，约2万美元。

But needless to say, commercial airliners cost hundreds of millions of dollars.

但毋庸置疑，商用客机的高达数亿美元。

It costs twenty billion dollars and took almost a decade to build.

其200亿美元 耗时近十。

But the money has to come from somewhere because mosquito control is expensive.

但因为控制蚊子数量高昂，这笔资金肯定会通过某种途径获得。

Aside from the estimated 30-billion-dollar price tag for the futuristic smart city that the government officials are calling the world's most sustainable, critics say that the impact on the wildlife, ecosystem and indigenous people could be devastating.

这座被政府官员称为世界上最可持续发展的未来智能城市的估计高达300亿美元，除此之外，评论家说对野生动物、生态系统和土著居民的影响都可能是毁灭性的。

But this also requires costly power grids to carry the electricity to the distant cities.

但这一举措同时需要高昂的电网系统，使其将电力输送到远方的城市。

And it only costs about one fifth of the metro.

但大约只有地铁的五分之一。