名詞 phase out:

1. the act or instance of a planned discontinuation
   同義詞：phase-out

動詞 phase out:

1. terminate gradually

1. The old currency will have been phased out by 1990.
   舊幣分階段至1990年將全部禁止流通。
2. British Leyland has announced plans to phase out some of its cars next year.
   英國雷蘭德汽車公司已宣布他們明年將逐步淘汰某些型號的汽車的計劃。
3. The army plans to phase out the equipment as it becomes obsolete.
   軍隊計劃淘汰這些設備，因為它們已經(jīng)報廢了。