老师你好，我想向你请教一下这个句子的语法成分。特别是后面那个what引导的从句。
For these reasons， many countries have laws limting what use employers and insurance companies can make of such information.
我想问下这个句子里what 引导的是什么从句？为何会有 use 和 can make of 两个谓语动词？
For these reasons, many countries have lawslimiting what use employers and insurance companies can make of such information.
这个句子结构是：limiting 之后接了一个宾语从句。what 没疑问之意，它是一个“融合性关系限定词”，引导从句，又做了use 的定语。
what use employers and insurance companies can make of such information.
等于：any use that employers and insurance companies can make of such information.
划线部分为定语从句。that 指代 use，从句中是个make use of 结构，use 是 make 的宾语，由关系代词 that 充当。
Many countries have lawslimiting what use employers and insurance companies can make of such information.
【翻译】因为这类缘由，很多国家都有法律限制雇主和保险公司对此类信息的用法。
