alternatively
  (ad.)二者擇一地,做為選擇
  Al·ter·na·tive·ly, adv. In the manner of alternatives, or that admits the choice of one out of two things.
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  alternatively
       adv : in place of, or as an alternative to; "Felix became a
             herpetologist instead"; "alternatively we could buy a
             used car" [syn: as an alternative, instead, or
             else]