沙特通过地中海港口高价转运石油维持出口
Saudi Arabia has a new, and pricier, workaround to export its oil
Loadings at a Mediterranean port have picked up as Saudi Arabia races to offer its oil to buyers through a lengthier — and more expensive — backdoor.
更进一步：量化金融体系
看懂新闻只是起点——沿量化金融路径，把它变成能交付的工程能力