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Hi there!
你好啊！
This week on Ask a Teacher, we answer a question about the words “change” and “vary.”
本周《名师答疑》，我们回答change和vary有什么区别。
Hello Teacher, I’m Ali, and I live in Mashhad, Iran.
老师您好，我是阿里，家住伊朗的马什哈德。
What is the difference between "change” and “vary?"
change和vary有什么不同？
I'm keen on knowing how American people use "vary" in different forms in daily conversations.
我很想知道美国人在日常对话中是如何以不同的方式使用vary的。
Thank you, Ali.
谢谢你，阿里。
Thanks for writing to us, Ali!
谢谢你给我们写信，阿里！
Here is the first major difference between the word “change” and the word “vary”: Only one of them is a noun and a verb.
这两个单词的第一个主要区别：只有一个词有动词和名词两种词性。
“Change” is that word.
这个词就是change。
You can “change your opinion” for example.
例如，你可以“改变你的观点”。
That’s change as a verb.
这是作为动词的change。
You can also have “a change of opinion.”
你也可以“让观点发生改变”。
That’s change as a noun!
这是作为名词的change！
“Vary” is more narrow in meaning.
vary的含义更为狭窄。
It means to make a partial change in something, or to diversify something.
它的意思是对某事进行局部改变，或使某事多样化。
Sometimes change and vary are synonyms.
有时候，这两个单词是同义词。
Let’s look at each one more closely.
让我们更仔细地逐个来看。
While “change” can be either a noun or a verb, we will compare the verbal meanings and uses to “vary.”
虽然change既可以是名词，也可以是动词，但我们将把change作为动词的意思和用法与vary进行比较。
It can be used in a lot of different situations and can be a synonym for many other verbs like transform, exchange, switch or alter.
change可以在很多不同的情况下使用，也可以是许多其他动词的同义词，比如转换、转变、切换或改变。
“Change” meanings range from making a difference or altering something particular to completely transforming or replacing something.
change的含义包括做出改变或改变某些特定的东西，也包括完全改变或取代某物。
Many schools are changing the college application requirements in response to the ending of Affirmative Action.
由于平权运动终结，许多学校正在改变大学申请要求。
Water changes from a liquid to a solid when it freezes at zero degrees Celsius.
当水在零摄氏度冻结时，它会从液体变成固体。
“Change” can also mean making a slight modification in something to switching or making a shift from one thing to another.
change也可以指对某事稍作修改，或者指从一件事转变为另一件事。
The leaves change colors every autumn.
每年秋天树叶都会变色。
Emma changed her shirt because she spilled something on it.
艾玛换了衬衫，因为她衣服上洒了东西。
Derek changed his money from dollars to euros when he went to France.
德里克去法国时把钱从美元换成了欧元。
Andrey’s accent changed after he moved to the big city.
安德烈搬到大城市后，他的口音变了。
Now let’s look at “vary.”
现在让我们来看看vary。
“Vary” is a verb.
vary是动词。”
It can mean to make a partial change or to differentiate between items by size, amount or degree.
它可以指做出局部改变，或者根据大小、数量或程度而区分不同的东西。
I like to vary my meals with different types of grains and greens.
我喜欢吃不同的谷物和蔬菜，让饮食有一些变化。
Insects vary in size from large to very small.
昆虫大小不一，有的昆虫很大，有的昆虫很小。
It can also mean to show or experience a change.
vary也可以指展示或体验一种变化。
The night sky varies depending on the Earth’s rotation and orbit around the sun.
根据地球自转和绕太阳公转的轨道情况，夜空会发生变化。
Interest rates vary due to how the economy is.
利率因经济状况而异。
Please let us know if these explanations and examples have helped you, Ali.
阿里，请让我们知道这些解释和例子是否对你有帮助。
And that’s Ask a Teacher.
以上就是《名师答疑》。
I’m Faith Pirlo.
我是费思·皮尔洛。
