【Skill 1】Understand when to present a coupon from 注文時 (when ordering) and 会計時 (when requesting the bill)
Understand when you must present a coupon from the following expressions. Each expression is for when you are required to show the coupon to the restaurant staff.
■ 注文時（when ordering）
■ オーダー時（when ordering）
■ 会計時 (when requesting the bill)
■ 支払いの前（before paying)