rollout

詳細解釋：

roll.out

n.（名詞）
The inauguration or initial public exhibition of a new product, service, or policy:
初次公開展出，新產品展覽：一種新產品、新服務項目或新政策的開創或首次公開展覽：
例句：
The manufacturer`s rollout of the new jet is scheduled for next month.
定於下月首次公開展出那家工廠生產的噴氣式飛機

Football A play in which the quarterback runs toward a sideline after receiving the snap with the intention of passing the ball.
【橄欖球】 橫移突破戰術：一種四分衛接到對方開球後朝邊線奔跑以試圖傳球給己方隊員的戰術