ROI
ROI
Return on investment
投资回报
https://en.wikipedia.org/wiki/Return_on_investment
https://www.investopedia.com/articles/basics/10/guide-to-calculating-roi.asp
本文首发于博客园，作者：xgqfrms，原文链接：https://www.cnblogs.com/xgqfrms/p/12595943.html
未经授权禁止转载，违者必究！
Return on investment
投资回报
https://en.wikipedia.org/wiki/Return_on_investment
https://www.investopedia.com/articles/basics/10/guide-to-calculating-roi.asp
本文首发于博客园，作者：xgqfrms，原文链接：https://www.cnblogs.com/xgqfrms/p/12595943.html
未经授权禁止转载，违者必究！
