1
ROI on [sth]
用 on 引出投资对象。
Their ROI on the new software was higher than expected.
他们在新软件上的投资回报率高于预期。
投资回收率
rois — plural of roi
先理解核心含义，再看它在真实句子里的用法。
投资回收率
return on investment
Their ROI on the new software was higher than expected.
他们在新软件上的投资回报率高于预期。
abbr. 投资回收率(return on investment)；利润率(Rate of Interest)
n (corporate finance) the amount, expressed as a percentage, that is earned on a company's total capital calculated by dividing the total capital into earnings before interest, taxes, or dividends are paid
The new marketing campaign produced a roi of 200 percent in just three months.
新的营销活动在短短三个月内就产生了200%的投资回报率。
Before investing in stocks, she always checks the company's roi.
在投资股票之前，她总会查看公司的投资回报率。
He explained that a high roi does not guarantee low risk.
他解释说，高投资回报率并不保证低风险。
用 on 引出投资对象。
Their ROI on the new software was higher than expected.
他们在新软件上的投资回报率高于预期。
ROI 在不可数用法中常不加冠词。
We need to calculate ROI before approving the budget.
在批准预算前，我们需要计算投资回报率。
用 of 引出具体回报率数值，后接百分号。
The campaign achieved an ROI of 18%.
这次活动实现了18%的投资回报率。
Not this
This project ROI 20%.
Use this
This project has an ROI of 20%.
ROI 是名词（return on investment 的缩写），不能当动词用；英语句子需要有谓语动词，所以要说 has an ROI of 20%，而不是把 ROI 直接当作动词。
Not this
We need good ROI on our investment.
Use this
We need a good ROI on our investment.
ROI 表示‘投资回收率’时是可数名词，指一个具体的回报率需要加不定冠词 a，因此要说 a good ROI，不能省略冠词。
Focus on the distinctions below. Other candidates are kept compact until a reliable usage note is available.
高投资回报率
The marketing campaign delivered a high ROI.
这次营销活动带来了高投资回报率。
正投资回报率
We need to prove a positive ROI before expanding.
在扩张之前，我们需要证明正投资回报率。
投资回报率计算
The ROI calculation is based on total capital.
投资回报率的计算基于总资本。
提高投资回报率
They restructured the process to improve ROI.
他们重组了流程以提高投资回报率。
衡量投资回报率
It is difficult to measure ROI on training programs.
很难衡量培训项目的投资回报率。
Use rois naturally, then get feedback on meaning, tone, grammar, and phrasing.
Revisit a common error or keep this word in your review list.
用字母联想：R=Return（回报），O=On，I=Investment（投资），合起来就是‘投资回报率’。
语域：neutral 常见场景：财务分析、商业报告、投资评估 ROI 是 return on investment 的缩写，多用于企业财务分析、投资评估等商务场合；正式报告和会议中比较常见，日常口语中除非涉及商务话题，否则较少用到。
ROI 是 return on investment 的缩写。
Dictionary facts from ECDICT, WIKTIONARY.