The retailer is offering to refund the cost of the cups and is offering customers who return them a free coffee.

星巴克会为这些杯子退钱，并为退还杯子的顾客提供一杯免费咖啡。

youdao

The retailer is offering to refund the cost of the cups and is offering customers who return them a free coffee.

星巴克会为这些杯子退钱，并为退还杯子的顾客提供一杯免费咖啡。

youdao