The phrase "a substantial alternative to" is correct and usable in written English.
It can be used when discussing options or choices that serve as significant substitutes for something else.
Example: "The new software offers a substantial alternative to traditional methods of data analysis."
Alternatives: "a significant substitute for" or "a meaningful replacement for".
The budget repeals the health care bill without replacing it, for instance, not because Ryan doesn't have a substantial alternative in mind (he continues to support a version of the bill he sponsored with Tom Coburn), but because too many of his fellow congressmen remained unwilling to take the plunge into specificity on that issue.
(In which case, Clarke is offering a response to Hobbes or maybe Spinoza, but he doesn't provide a substantial alternative).
My dream is that if these ventures stay small and work together, we will have the professionalism that will allow us to offer a real and substantial, but saner, alternative to supermarkets without becoming like them.
c) Negative Binomial (NB) model, as a robust alternative to accommodate substantial extra variation or overdispersion.
For Eric Goode, who designed the Bowery Hotel with his business partner, Sean MacPherson, the use of substantial, unexpected furnishings is a welcome alternative to the rigor of Modernism.
This book helps to overcome the outdated economists' way of thinking that postulates 'More is Better than Less.' The authors do that in a substantial way, showing alternatives to this materialistic view, making their book a fascinating experience to read.
While this is challenging politically, there are countries willing to devote substantial funds to Indonesia as an economic alternative to deforestation.
The prospect now, she said, was that Britain would leave the EU on the 12th of April without a deal - or there would have to be a substantial delay to allow those alternatives to be formulated and enacted.
My claim is that the emergence of a substantial nonmarket alternative path for cultural conversation increases the degrees of freedom available to individuals and groups to engage in cultural production and exchange, and that doing so increases the transparency of culture to its inhabitants.
Given that three to five years are generally required to make new mines operational, substantial alternative sources of REMs are years away.
