麻烦帮我分析一下这句话的语法结构,

麻烦帮我分析一下这句话的语法结构,
There are several components to what the auto industry calls autonomous driving.

There are 谓语
several components 主语
to what the auto industry calls autonomous driving.介词短语做定语,修饰名词components
介词to 后面又跟了个以what引导的从句what the auto industry calls autonomous driving.,这个从句做介词to的宾语.
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再问： 谢谢，但是我还是不太明白介词to 和后面的what引导从句的结构，能举个简单例子讲解一下吗啊？谢谢！
再答： 又如： 1.The other day, my brother drove his car down the street at 【what】I thought was a danerous speed. 2.Thank you for 【what】 you gave me.