unnumbered
adj
1 having no number(s) 無號數的; 未編號的
unnumbered tickets/seats, eg at a concert hall or theatre 不對號的票[座位](如音樂會或戲院的).
2 (arch or rhet 古或修辭) more than can be counted; countless 不可勝數的; 數不清的; 無數的
the unnumbered stars 繁星.
??? 情景例句
Shopping vouchers are ofter a good means of attracting customers.