Travel websites have been around since the 1990s, when Expedia, Travelocity, and other holiday booking sites were launched, allowing travelers to compare flight and hotel prices with the click of a mouse.

Other studies show that simply providing the facility for people to compare their energy use with the local average is enough to cause them to modify their behaviour.

其他研究表明，仅仅帮助人们将其能源消耗与当地平均水平进行比较就足以改变他们的行为。

Suppose we want to compare the economic welfare of citizens of the U.S. and France in 2005.

假设我们想对比2005年美国人和法国人民享有的经济福利。

As human beings, we're primed to compare ourselves to each other in what is an anxiety-inducing phenomenon.

作为人类，我们总是倾向于去互相攀比，而这会使我们感到焦虑。

The president's stimulus package is pumping money into research to compare how well various treatments work.

总统的经济刺激计划正在投入资金进行研究，以比较各种疗法的效果。

Similar calculations can be used to compare the U.S. and other countries.

类似的计算方法也可用来对比美国和其他国家。

Scientists are attempting to compare features of extinct animals with living analogues.

科学家正试图把已灭绝动物的特征与现存类似动物相比较。

It is particularly interesting to compare the two versions.

把两个版本加以比较特别耐人寻味。

The point of the lesson is to compare the two countries.

本课的目的是比较这两个国家。

If you want to change your doctor there are two ways of doing it.

你要是想换个医生，办法有两个。

It would be impossible to change his mind.

要让他改变想法是不可能的事情。

Then he received a phone call that was to change his life

然后，他接到一个将改变他一生的电话。

He radioed the pilot to change course.

他用无线电通知飞行员改变航向。

This shirt I bought's too small ─ I'll have to change it for a bigger one.

我买的这件衬衫太小，得换件大的。

She taught me how to change a tyre.

她教会了我换轮胎。

Essentially, what we are suggesting is that the firm needs to change.

说到底，我们的建议是公司必须思变。

I went into the bedroom to change.

我走进卧室更衣。

You have to change trains at Reading.

你得在雷丁换乘火车。

You need to change your eating habits.

你得改变你的饮食习惯。

The worst part is being helpless to change anything.

最糟糕的是没有能力改变任何事情。

I want to change my doctor.

我想另找一位医生看病。