essentially
  (ad.)本質上,實質上,基本上
  Es·sen·tial·ly adv. In an essential manner or degree; in an indispensable degree; really; as, essentially different.
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  essentially
       adv : at bottom or by one's (or its) very nature; "He is basically
             dishonest"; "the argument was essentially a technical
             one"; "for all his bluster he is in essence a shy
             person" [syn: basically, fundamentally, in essence,
              au fond]