Every January the cost of travelling by train rises, imposing a significant extra burden on those who have no option but to use the rail network to get to work or otherwise.

每年一月，乘火车出行的费用都在上涨，对于那些除了乘坐火车上班之外别无选择的人来说，这给他们带来了巨大的额外负担。

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Making supercomputers is not so hard, but to use them wisely, we still have a lot to learn.

制造超级计算机并不是很难，但是要想用好它，我们还有很多需要学习。

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But to use most of the popular general-purpose tools available to schedule meetings with is a serious pain in the neck.

但使用大多数流行的万能用途工具来安排会议确实令人头痛。

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They said they want DDT banned, but recognize that some countries use it to protect people from diseases like malaria.

VOA: special.2009.06.23

I could use any example but I'm going to use something which plainly does move around among various semiotic systems.

这个例子很平凡,随处可见。

耶鲁公开课 - 文学理论导论课程节选

But we can use equations that describe waves to describe matter, and that's what we're going to be doing today.

但我们可以用描述波的方程,来描述物质，这就是我们今天要做的。

麻省理工公开课 - 化学原理课程节选

But to use the term to mean in effect a unitary state is to abandon reality.

ECONOMIST: Defining federalism

The consumers who shop on line have no choice but to use digital dollars.

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Once a standard is set, people have little choice but to use it.

ECONOMIST: Patents and mobile devices