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general::
Those in dire need must be content with what they get. For example, The cheapest model will have to do? beggars can't be choosers. This expression was familiar enough to be included in John Heywood's 1546 collection of proverbs.
American Heritage Idioms
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general::
Phrase(s): Beggars can’t be choosers.
Prov. If someone gives you something you asked for, you should not complain about what you get. • I asked Joe to lend me his bicycle, and he sent me this old, rusty one. But beggars can’t be choosers. • Jill: Let me wear your green dress; I don’t like the blue one you lent me. Jane: Beggars can’t be choosers.
McGrawhill's American Idioms And Phrasal Verbs