The composer used a stretto to create a sense of urgency in the piece.

作曲家使用了一个紧缩段来营造紧迫感。

Create a sense of urgency. Offer discounts or incentives that are only available now to close the sale before leaving their office. Watch your sales grow.

制造紧迫感。提供折扣或激励措施，只在现在到离开办公室之前有效。销量肯定会上涨。