美股财报桑基图：收入怎么变成利润

Income statements as Sankey charts

每家公司最近 8 个季度和 3 个财年的利润表流向图。数据直接取自公司向美国 SEC 提交的 10-Q / 10-K，可按期对比趋势。

Revenue → costs → profit for the latest 8 quarters and 3 fiscal years, straight from 10-Q / 10-K filings with the U.S. SEC. Compare periods and trends.