r = S.get(url, timeout=10)
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》
，这一点在下载安装汽水音乐中也有详细论述
Ownership / affine types
Are you also playing NYT Strands? See hints and answers for today's Strands.