once-in-a-generation

形容词 adj.

英文释义

形容词 adj.
  1. Very rare; likely to happen only once in a given generation. not-comparable
    — Trump has said that undocumented immigrants share the blame for America’s once-in-a-generation home affordability crisis, but the president-elect’s deportation plans may backfire, driving up the cost of homebuying even further.
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