學(xué)個(gè)詞 Learn A Word:1354 roll out

　　今天我們要學(xué)的詞是roll out。Roll out, 正式推出產(chǎn)品或服務(wù)。 "Big banks such as Bank of America and Citi Bank rolled out extra debit card fees recently," 美國銀行和花旗銀行等大銀行最近相繼推出額外的借記卡收費(fèi)。 "Apple will roll out the latest model of iPhone to many more countries later this year," 蘋果今年晚些時(shí)候?qū)⒃诟鄧彝瞥鲎钚滦偷膇Phone。為了和iPhone競爭，美國電話公司T-Mobile加緊推出新型智能手機(jī)。 "T-Mobile is rolling out multiple Android smartphones and tablet models in order to secure its market share," T-Mobile將正式推出多款智能手機(jī)和平板機(jī)，以鞏固市場份額。好的，今天我們學(xué)習(xí)的詞是roll out...