gòu mǎi / liǎng bēi / dà bēi / kā fēi / shí / diàn lǐ / huì / fù sòng / yí kuài / xiǎo bǐng gān

购买两杯大杯咖啡时，店里会附送一块小饼干。

When you buy two large coffees, the shop includes a small cookie as a bonus.