The phrase "an alternative mode" is correct and usable in written English.
It can be used when discussing different methods or approaches to achieve a particular outcome or function.
Example: "In our research, we explored an alternative mode of transportation that reduces carbon emissions."
Alternatives: "a different method" or "another approach".
They became friends and regularly visited one another's studios, discussing how to create an alternative mode of artmaking.
We study the use of bicycles as an alternative mode of transport in Santiago.
These critiques of the epistemology of professional expertise did not seek to reject science, but to develop an alternative mode of empirical inquiry.
Psychological measures, developed for paper-and-pencil (paper) administration require measurement equivalence testing when administered in an alternative mode.
Commuter rail systems are being introduced into many urban areas as an alternative mode to automobiles for commuting trips.
The movement's pioneers set out to create not just an alternative mode of production (the farms) but of distribution (the co-ops and health-food stores) and even consumption.
As for an alternative mode of distributing food, Kahn recruited a hippie capitalist named Roger Weschler to help him figure out how to sell his strawberries before they rotted in the field.
Topcik said bringing Capital Bikeshare to the waterfront community would not only offer a good amenity for tourists but also provide an alternative mode of transportation between southern Prince George's and Northern Virginia.
On-line retailing is rapidly emerging as an alternative mode of shopping and is expected to garner a substantial share of the retail market in future.
Riding a motorcycle is an alternative mode to driving, which is relatively inexpensive and convenient for private mobility [62].
"By offering cash as an alternative mode of payment, we are opening up Uber to a much larger base of potential users who prefer transacting in cash.
