exchange和change的区别：中文含义不同、用法不同、强调重点不同。exchange可作名词和及物动词，含义为“交换、互换、交流、掉换、交谈”，可以表示以贸易手段以一物换取另一物，侧重强调你给我，我给你；change可作名词和动词，含义为“改变、变化、变更、变革”，是指事物发生了本质的变化或指一事物取代了另一事物。

1、作为名词时，意为交换;互换;交流;掉换;交谈;对话;争论;兑换;汇兑;交流，互访;交易所。

例句：The exchange of prisoners took place this morning.

今天早上交换了俘虏。

We need to promote an open exchange of ideas and information.

我们需要促进思想和信息的公开交流。

The Prime Minister was involved in a heated exchange with opposition MPs.

首相参与了和下院反对党议员的激烈争论。

Where can I find the best exchange rate / rate of exchange ?

在什么地方才能获得最好的兑换价？

Our school does an exchange with a school in France.

我们学校与法国的一所学校进行交流。

There've been some bitter exchanges between the two groups.

两组之间发生过一些激烈的争吵。

There was an exchange of fire during which the gunman was wounded...

有过交火，其间那名持枪歹徒受伤了。

2、作为及物动词时，意为交流;掉换;兑换;交易;更换;交换(尤指房屋或土地买卖的契约)。

例句：I shook hands and exchanged a few words with the manager.

我与经理握手，相互交谈了几句。

You can exchange your currency for dollars in the hotel.

你可在旅馆把你的钱兑换成美元。

If it doesn't fit, take it back and the store will exchange it.

如果不合适就把它拿回来，商店将给你掉换。

We exchanged addresses and Christmas cards...

我们交换了地址和圣诞贺卡。

1、作为动词时，意为改变;变化;使不同;(使)变换，改换，变成;兑换;找零;转换;替代;互换;换衣服;更换（衣服或尿布）;换（床单等）;将…换成零钱;退换;换乘。

例句：Rick hasn't changed. He looks exactly the same as he did at school.

里克一点儿没变，他和上学时一模一样。

Computers have changed the way people work.

计算机改变了人的工作方式。

Wait for the traffic lights to change.

等待交通灯变换颜色。

Leaves change colour in autumn.

树叶在秋天改变颜色。

We change our car every two years.

我们的车每两年更换一次。

At half-time the teams change ends.

球队在半场时交换场地。

2、作为名词时，意为改变;变更;变革;更换;(会令人感兴趣或可喜的)变化;替代;替代物;硬币;额外一套衣物（等）;找给的零钱;辅币;换车。

例句：There was no change in the patient's condition overnight.

病人整夜病情不变。

Finishing early was a welcome change .

能早日结束是个可喜的变化。

There will be a crew change when we land at Dubai.

我们在迪拜着陆后将更换机组人员。

I keep a change of shoes in the car.

我在车里放有一双供替换的鞋。

The ticket machine gives change.

自动售票机可以找零。

Do you have any change for the phone?

你有打电话的硬币吗？

The journey involved three changes.

这趟旅行中转过三次。