reˌturn on inˈvestment ( ROI) ( reˌturn on ˈcapital)
noun
[, ] () a measure of how much profit an investment produces compared with the amount originally invested 投资回报率；投资利润率；投资报酬率ⓘ Return on investment is also sometimes used to describe figures such as return on assets, return on capital employed, and return on equity. return on investment 有时也用来指资产收益率（return on assets）、已动用资本回报率（return on capital employed）及股本收益率（return on equity）。