indisputably
  (ad.)無爭論餘地
  In·dis·pu·ta·ble a.  Not disputable; incontrovertible; too evident to admit of dispute.
  Syn: -- Incontestable; unquestionable; incontrovertible; undeniable; irrefragable; certain; positive; undoubted; sure; infallible.
  -- In*dis*pu*ta*ble*ness, n. -- In*dis*pu*ta*bly, adv.
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