two·fold /ˈtuˌfold, ˈfold/
 (a.)兩倍的,兩重的(ad.)兩倍地,兩重地
 Two·fold a.  Double; duplicate; multiplied by two; as, a twofold nature; a twofold sense; a twofold argument.
 Two·fold, adv. In a double degree; doubly.
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 twofold
      adj 1: having more than one decidedly dissimilar aspects or
             qualities; "a double (or dual) role for an actor";
             "the office of a clergyman is twofold; public
             preaching and private influence"- R.W.Emerson; "every
             episode has its double and treble meaning"-Frederick
             Harrison [syn: double, dual, treble, threefold]
      2: twice as great or many; "ate a double portion"; "the dose is
         doubled"; "a twofold increase" [syn: double, doubled]
      adv : by a factor of two; "the price increased twofold last year"
            [syn: two times]