But the weaving of these yarns, which may be only one-thousandth of a millimetre thick, is complicated and expensive.

这些线可能仅有千分之一毫米那么粗，所以要用这些线进行编织是很麻烦的，并且费用也相当昂贵。

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If you need speed, there may be only one or two ways to achieve the fastest results, whereas there are many slower alternatives.

如果您需要很快的速度，不管有多少种慢速的方法，但是可能只有一两种方法可以达到最快的结果。

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With the amount of storage space needed to contain the world's CO2 emissions, the abyssal plain may be only one locale where we keep our carbon dioxide.

考虑到全世界排放出的CO2的巨大体积，也许深海平原是唯一能够让我们储存二氧化碳的场所。

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There may be only one bank branch convenient without reliable transportation, and you can be sure that if a bank believes its customers have few alternatives, it will take advantage of its customers in as many ways possible.

FORBES: The Poor Are Priced Out of Checking Accounts

However, amyloid may be only one factor in Alzheimer's, and growing evidence shows that plaques form relatively late in the disease process, leading some scientists to think that attacking amyloid once the clumps have already formed is too late.

WSJ: For Alzheimer's, a Fork in the Road

Coming when investors already are concerned about the strength and duration of the economic recovery, and the cost of the fiscal policies that led back to growth, Dubai World's default risk may be only one of the risks that market actors were underpricing.

FORBES: Doctor Doom