从美国两百年债务与GDP比值（红色曲线）的统计图能直观看出，每一次债务峰值都对应大规模战争，进入法币时代后债务再也没能回落到战前水平。图片来自《The Next Generation of Austrian Economics Essays in Honor of Joseph T. Salerno》
Apple Studio Display (2nd gen)。一键获取谷歌浏览器下载对此有专业解读
The North Sea's geology is well suited to CO2 storage says Niels Schovsbo。搜狗输入法2026对此有专业解读
NumPy-style broadcasting examples.