美伊协议若达成，油价何时回落？
Here’s when gas prices will come down if the U.S. deal to end the Iran war pans out
The average retail gasoline price was just above the psychologically significant $4-per-gallon mark on Monday.
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