Students were given a simple aptitude test to eliminate any who lacked the basic skills. 学生们接受了一次简单的能力倾向测试，以淘汰那些缺乏基本技能的人。

The book tries to give simple explanations of some very complex scientific ideas. 该书试图对一些非常复杂的科学概念作出简单的解释。

It’ s a good idea, but implementing it won’ t be as simple as you think. 这想法不错，但实施起来就没有你想的那么容易。

simple to do sth The machine is fairly simple to operate. 该机器很容易操作。

(not) that simple All you have to do is press the button. It’ s that simple. 你要做的只是按一下这个按钮，就这么简单。

Sally likes clothes that are simple but elegant. 萨利喜欢朴素又大方的衣服。

Ben used to live in a simple cabin in the woods. 本曾经住在林中一个简易的小木屋里。

a simple meal 便餐

It’ s just a simple cold. 这只是感冒罢了。

simple fact The simple fact is that he wants a divorce. 事实就是他想离婚。

for the simple reason that The country has no navy for the simple reason that it has no sea. 这个国家没有海军，纯粹是因为该国没有海域。

Archaeologists found several simple tools at the site. 考古学家在现场发现了几件简单的工具。

By issuing simple voice commands, you can get the computer to perform most functions. 通过发出简单的语音指令，你就可以使计算机执行大多数的功能。

Her grandparents were simple people who never had much money. 她的祖父母都是普通人，从来都没有多少钱。

My advice is to keep it simple – just buy a nice plain dress. 我的建议是，别搞太复杂了，买一件朴素又大方的衣服就行。