im·ma·te·ri·al·i·ty /ˌɪməˌtɪriˈæləti/
  無形,非物質
  Im·ma·te·ri·al·i·ty n.; pl. Immaterialities   The state or quality of being immaterial or incorporeal; as, the immateriality of the soul.
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  immateriality
       n 1: complete irrelevance requiring no further consideration
            [ant: materiality]
       2: the quality of not being physical; not consisting of matter
          [syn: incorporeality] [ant: materiality, materiality]