rollout

劍橋詞典

the act of making something, especially a product or service , available for the first time
首次提供（產(chǎn)品或服務）
Since its rollout in fall of 1999, PayPal has gained millions of members . 自從1999年首次提供使用以來，PayPal已經(jīng)吸引了以百萬計的用戶。

A rollout of proposals , laws , or information is the first time they are made known to the public .
首次展示（提議，法律或信息） 返回 rollout