1.roll out 推出;铺开
例句:We'll give her some VIP treatment and roll out the red carpet.
我们将给予她贵宾级礼遇,并且为她铺设红地毯 。
2.latency n. 潜伏;延迟
例句:Apple attorneys said that its servers in China stored data that was fully encrypted, and that the servers were there to reduce the lag-time, or latency, for Apple users in China.
苹果的律师表示,该公司中国服务器上存储的数据是完全加密的,服务器设在中国是为了缩短中国苹果用户的时延 。