学个词Learn a Word 第1354期 roll out

　　今天我们要学的词是roll out。Roll out, 正式推出产品或服务。 "Big banks such as Bank of America and Citi Bank rolled out extra debit¹ card fees recently," 美国银行和花旗银行等大银行最近相继推出额外的借记卡收费。 "Apple will roll out the latest model of iPhone to many more countries later this year," 苹果今年晚些时候将在更多国家推出最新型的iPhone。为了和iPhone竞争，美国电话公司T-Mobile加紧推出新型智能手机。 "T-Mobile is rolling out multiple Android smartphones and tablet models in order to secure its market share," T-Mobile将正式推出多款智能手机和平板机，以巩固市场份额。好的，今天我们学习的词是roll out...

1 debit   

n.借方，借项，记人借方的款项

参考例句：

• To whom shall I debit this sum?此款应记入谁的账户的借方？
• We undercharge Mr.Smith and have to send him a debit note for the extra amount.我们少收了史密斯先生的钱，只得给他寄去一张借条所要欠款。