研究结果显示，美国CEO们的薪酬之所以高人一等，主要是因为美国的CEO获得了高水平的股权薪酬，其中包括公司股票和股票期权。

The research shows that U.S. CEO pay is higher primarily because U.S. CEOs are awarded high levels of equity compensation, which includes pay in the form of company stock and stock options.

youdao

第三部分为研究方法：这是本文的中心，主要介绍研究方法，包括研究的对象、步骤、数据收集、数据分析和研究结果。

Part Three is the core of the research, which introduces the research methodology, including participants, research approach, procedures of data collection and data analysis methods.

youdao