It's cost is estimated at $10 billion.

它的造在100亿美元左右。

Hard disks cost about 15 times as much as tape.

硬盘造大概是磁带的15倍。

And is that what makes Rolls-Royce so expensive?

劳斯莱斯造是因这些原因吗？

Does it cost more than a standard shopping cart?

它比普通购物的造贵吗？

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

其造200亿美元 耗时近十年。

And it only costs about one fifth of the metro.

但造大约只有铁的五分之一。

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

其研发历时三年，造约2万美元。

However, this cutting-edge technology comes at a steep price.

然而，这项尖端技术的造很。

That's because car batteries are expensive.

这是因的电池造贵。

I want one, but they still cost a lot.

我想要一台，可是电动造还是很贵。

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造低廉。

Early warning system for earthquakes is expensive and also complex.

早期的震预警系统造贵并且极其复杂。

Its projected cost is just over 5 billion dollars mainly funded by China.

造50多亿美元，主要由中国出资。

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, 但造则更。

Launching space vehicles from its top would be much cheaper.

而从天梯顶部发射太空飞行器造会更低廉。

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

听起来造不菲啊。真的有人建了这么一栋建筑吗？

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

不过，它们的造将与同等的传统桥梁差不多。

So while green energy is getting cheaper, it can still be very expensive.

尽管绿色能源的成本越来越低，造却还是很贵。

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

但毋庸置疑，商用客机的造达数亿美元。

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

这架造2300万美元的直升机并不需要收集任何科学信息。