逐步引進|phase in

意思包括分階段導入、逐步推廣，也可以說introduce gradually

相關詞彙

1. phase階段(名詞)
2. phase out 逐步廢除
3. phase down 逐步減少
   
   

例句

1. The company will phase in such activities as bill paying, electronic lending and bond trading next year.
   這家公司明年將陸續提供費用代收、電子借貸和債券買賣等服務。
2. The reforms will be phased in over three years.
   改革將在三年內逐步展開。