投资回报率 tóuzīhuíbàolǜ return on investment Origin Definitions Defs Strokes Stroke Words Sentences Sents 投资 投資 tóuzī nounverb investment money or capital that has been invested; the act of investing money or effort for a particular purpose回报率 回報率 huíbàolǜ noun rate of return The ratio of profit made on an investment relative to the amount of money invested.