cross-in·dex /ˈkrɔsˈɪnˌdɛks/
  附錄前後參照索引(vt.)附錄前後參照索引
  cross-index
       n : a reference at one place in a work to information at another
           place in the same work [syn: cross-reference]
       v : make an index that refers from one point to the next; "These
           references are cross-indexed"