The phrase "a substantial roi" is correct and usable in written English, although "ROI" should be capitalized as it stands for "Return on Investment." You can use it when discussing financial performance or the effectiveness of an investment, particularly in business contexts.
Example: "Investing in new technology has resulted in a substantial ROI for our company this quarter."
Alternatives: "a significant return" or "a considerable profit."
As an example, a substantial ROI would be a financial benefit five times the amount you are charging them.
Moreover, such standards align with the expectations of today's students who not only expect a high-quality education but one that returns a substantial ROI for the sizable financial investment they make in their educations.
Update: Privalia's CrunchBase entry has also now been updated to state the company in fact raised $189.19M in six rounds of funding, so it looks like a substantial ROI after all….
If you can nail the way a particular social ecosystem like Twitter works, you can easily hook, engage, and pull an audience to generate a substantial ROI.
Over the past 12 to 18 months, we have seen traditional media players and advertisers moving toward adopting emerging technologies to help them address the challenges of a fast-changing, data-driven, zero-based budgeting world in which marketers are more and more pressed to prove substantial ROI for their activations.
Now you are desperate for substantial ROI for all the hard work you have put into transitioning your initial idea into a business.
In the 1780s Breteuil, the Secretary of State of the Maison du Roi, began a substantial reform of the system of lettres de cachet that sent prisoners to the Bastille: lettres were now required to list the length of time a prisoner would be detained for, and the offence for which they were being held.
Assuming that the bandwidth allocated to the user is not large enough with respect to negotiated GBR, this study shows that prioritization of packets following the regions of interest (ROI) can achieve a substantial gain on perceived video quality.
As long as the prescription to use a substantial safety margin in the transaxial plane and a reasonable large ROI volume (extending the ROI over a sufficiently large axial section of the aorta) is respected, the reproducibility of the results is very high.
Nevertheless, there was also a substantial group of subjects with the left-hemisphere organization of this function (40%) in the same ROI.
We made a substantial bid.
