The phrase "a better substitute for" is correct and usable in written English.
It can be used when comparing options and suggesting that one option is an improved alternative to another.
Example: "In many recipes, Greek yogurt is a better substitute for sour cream, providing a similar texture with less fat."
Alternatives: "an improved alternative to" or "a superior replacement for".
Since evaluations come at a cost, it is not likely we'll get a better substitute for the raw data of the student evaluations soon.
And home mortgages are a better substitute for, say, long-term government debt than either is for green paper bearing portraits of dead presidents.
The harmonic analysis of the sum of all three phase currents has shown to be a better substitute for the traditional feeder current.
"I frankly can't conceive of anything that would be a better substitute for having two major global economies having a forum where we can make progress on the most important economic issues," Mr. Paulson said.
There were probably several reasons for this – from "active" welfare policies that made the workless a better substitute for those in work, to the cumulative impact of declining collective bargaining.
The addition of the fly ash also increases the properties such as tensile strength, compressive strength, yield strength and hardness of the aluminium composites and hence it can be a better substitute for single reinforced composites.
Zn3N2 is a better substitute of Si for fabrication of thin-film transistors (TFT) than other materials like zinc oxide and graphene [9 11].
"It's my belief that when people have the experience, they'll say this is a much better substitute for putting things in the mail or calling an '800' number.
I searched my brain for a better substitute and came up with plums.
Specifically, if an injection is impractical to administer e.g. due to lack of capable personnell, and ivermectin treatment is still required, the higher relative plasma availability of ivermectin in the mixture formulation, designed to be used in a ruminant species, suggests that it would be a better substitute than the paste designed for a monogastric species.
The customer with low income ((n=2)) considers location A to be a better substitute to B than C. In contrast, for customer (n=1) (high income), locations A and C are more or less equal substitutes to location B. This pattern is due to the different evaluation of travel cost by the two segments (i.e., customers).
