不打无准备之仗

不打无准备之仗不打无准备之仗
  1. 但苹果不打无准备之仗。

    But Apple doesn 't come to the market without ammunition .

  2. 不打无准备之仗,不打无把握之仗。

    Fight no battle unprepared ; fight no battle you are not sure of winning .