现请看实例：
This is where the government believes care robots will be able to step in. 这就是政府认为护理机器人能够介入的领域。
▲ where the government believes care robots will be able to step in 是表语从句， where 在从句中再 step in 的地点状语。
▲ the government believes 是插入语，插在名词从句中， 这是一个含插入语的名词从句。也许你熟悉定语从句中可以加插入语（嵌入式定语从句）。
例如：
The astronauts did many experiments in the spaceship, which we think are much help for knowing space.
宇航员在宇宙飞船里做了许多实验，我们认为这些实验对了解太空很有帮助。
Indeed they can have a delightful surprise when they find something useful which they did not know they owned.
确实，一旦无意之中从自己的收藏品中找到有用的而以前并不知道其有用的东西时，可以给人一种惊喜的感觉
▲ 名词从句中也可加插入语。
例如：
We'd put together what we thought was an excellent team for the project. （we thought 是插入语）
我们会为这个项目组建了一个我们认为很优秀的团队。
In his writing, John Crowe Ransom describes what he considers the spiritual barrenness of society brought about by science and technology. （he considers 是插入语）
约翰·克劳·兰森在他的著作述了他认为是由科学技术给社会带来的精神贫困。
The greatest pleasure in life is doing what people say you cannot do. — Walter Bagehot （people say 是插入语）
人生最大的乐趣就是做别人说你做不到的事。— 沃尔特 • 白芝浩
We do what we say we will do and we show up when we say we will show up. （we say、we do 是插入语）
我们说做什么就做什么，说什么来就什么时候来。
The chain of command wants to know where we think there are problems, and my team does spot checks in those areas. （we think 是插入语）
指挥系统想知道我们认为哪里有问题，我的团队会在这些地方进行抽查。
