Increasing their speed and range to do so, though, is costly and in most cases the technology is not really quite there yet.

然而，为此而增加速度和行驶里程是昂贵的，而且往往技术上仍然不成熟。

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There is one problem, however, most of the large and increasing range of compact fluorescent lamps and LEDs that are being produced in China do not reach the UK.

但是还有一个问题就是，中国多项大型的和不断扩大的荧光灯及二级发光管生产合同却并没有英国的影子。

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