促销 (cù xiāo): to promote (sales)

This supermarket is having a weekend promotion; eggs are half the usual price, and many people are lining up to buy them.

To attract customers, the newly opened milk tea shop launched a buy-one-get-one-free promotion.

The online bookstore's promotional ad says that if you place an order today, you can get 30% off and free shipping.

During this phone store's promotion, they not only lowered the price but also gave away earphones and a power bank.

She saw a cosmetics promotion at the mall and couldn't resist buying two jars of face cream, even though she still had a lot at home.