The phrase "an important substitute" is correct and usable in written English.
It can be used when referring to something that serves as a significant replacement for another item or concept.
Example: "In the absence of traditional fuels, solar energy has become an important substitute for powering homes."
Alternatives: "a crucial alternative" or "a significant replacement".
Now, 37percentt of people say they've listened to an audio book, and the medium continues to become an important substitute for old-fashioned reading.
Some scholars point out that cohabitation is an important substitute for marriage, so this research treats cohabitation after divorce as equal to remarriage.
It is supposed to be an important substitute over the synthetic linker in designing the bioconjugate covalently so that it can be applied gently under preceding condition.
However, with the growing scarcity of wood, bagasse has become an important substitute for the production of sugar in the mill itself.
Agricultural waste such as rice hulls, coir, sawdust, and compost as growing media has been proved as an important substitute of simple soil for ornamental plant production (Younis et al. 2007; Wilson et al. 2009; Tariq et al. 2012) including gerbera.
This platform relies on lensfree on-chip imaging which, broadly defined, is becoming an important substitute for conventional microscopes especially for high-throughput imaging applications [14] [21].
There are several ways you can make sure you include all important substitute products (both current and potential).
Which emerging adults identify as a component of--or even a more important substitute for--science.
Natural gas hydrates (NGH) are widely considered as a promising important substitute energy resource.
Biodiesel could be an important renewable substitute for fossil fuels.
Hydrogen, as one of the best alternative energy carrier candidates, is an important sustainable substitute for fossil fuels.
