Zhège xiàngmù de tóuzībàochóulǜ gāodá bǎifēnzhī èrshí.
The ROI on this project reaches 20 percent.
Tips
usage
Predominantly Taiwanese / Hong Kong business Chinese. Mainland writing more often uses 投资回报率 - same meaning, different middle word: 报酬 (compensation/reward) vs 回报 (return).
register
Formal financial vocabulary; appears in prospectuses, analyst reports, and MBA-style materials. In casual Chinese investors say ROI directly.