The phrase "a substantial commitment of" is correct and usable in written English.
It can be used when discussing the allocation of resources, time, or effort towards a particular project or goal.
Example: "The organization requires a substantial commitment of resources to achieve its long-term objectives."
Alternatives: "a significant investment of" or "a considerable dedication of".
But such studies also suggest that meaningful increases are not likely without a substantial commitment of resources.
After 1965 there was a substantial commitment of all elements of U.S. military power, excluding nuclear weapons but including a bombing campaign against the North.
Even as the American military shifts more responsibility for direct combat to Iraqi security forces, the expanded need to train and support the Iraqis will require a substantial commitment of troops.
European leaders have now acknowledged that restructuring must play a role in the resolution of Greece's debt crisis and they have outlined a comprehensive rescue plan that includes both a substantial commitment of additional official resources from the European Union and the International Monetary Fund and "voluntary" contributions from Greece's private creditors, primarily European banks.
But it was more detailed than what then-presidential-candidate Donald Trump had put forward and, fully fleshed out, Clinton's proposal would have represented a substantial commitment of government resources.
Sarah and I have made a substantial commitment of time, money, and energy to our skiing life based on our girls' desires to be a part of the Sugar Bowl ski team.
Nevertheless, despite a high level of climate and health expertise in New York's academic and public sectors and a substantial commitment on the part of the regional governments to characterize and prepare for risks associated with climate change, evidence that can be used to select specific interventions for extreme heat and to guide their implementation is relatively rare.
But, for the moment, there is no realistic prospect of a substantial commitment to reduce the cost of motherhood.
Since Armstrong allows that inferences are often non-conscious, based on sensory or other cues that the inferring person cannot herself discern, his claim that the introspective process is non-inferential is a substantial commitment to the simplicity of the process.
