你的标准太高了。美国经济软，那还有那个国家硬？人家的科研成果有很多实用价值

his mathematical breakthroughs are instrumental to fields such as string theory, topology and condensed matter physics

https://www.cnbc.com/amp/2024/05/10/jim-simons-billionaire-quantitative-investing-pioneer-who-generated-eye-popping-returns-dies-at-86.html