The phrase "a form of sustenance" is correct and usable in written English.
It can be used when discussing something that provides nourishment or support, whether literally (like food) or metaphorically (like emotional support).
Example: "For many cultures, rice is not just a staple food; it is a form of sustenance that holds deep cultural significance."
Alternatives: "a type of nourishment" or "a means of support".
"It's a form of sustenance, really".
History, in other words, would rather be regarded as unfinished business than as a form of sustenance to people unsure of the case they are making.
Third and equally substantial a form of sustenance is spirituality.
"Her example is clearly a form of sustenance to a generation needing to find theirs.
Temperton in the song presented dance floor revelry not as a hobby but as a form of sustenance.
He sees Moringa as a kind of anti-superfood — not something to be frittered away as a luxury supplement, like açaí berries sprinkled on oatmeal, but to be used as a staple, an essential form of sustenance.
He sees Moringa as a kind of anti-superfood not something to be frittered anti-superfood notupplement, like açaí berriesomethinged on oatoeal, bet to be used as a staple, an essential fritteredustenaway.
Players also get to grow vegetables and cultivate food stocks (cows being a main form of sustenance it appears).
Tory is convinced that she's not doing enough in the world, for the world, and that she needs a man to remind her of her deficiencies; Pete's criticism provides her with a dreadful form of sustenance.
I mean, wouldn't you rather just ingest a tasteless form of sustenance for the rest of your life and never have to go through that tedious rigmarole of opening and eating a pre-made sandwich or enjoying a huge hungover fry-up ever again?
I mean, wouldn't you rather just ingest a tasteless form of sustenance for the rest of your life and never have to go through that tedious rigmarole of opening and eating a premade sandwich or feasting on a pile of fried delicacies ever again?
