4 sentences for 折 (zhé — discount)

1. 书店现在全场打八折。

   shū​diàn xiàn​zài quán chǎng dǎ bā zhé.

   The bookstore is now offering 20% off storewide.

   Source: Dong Chinese Dictionary

2. 这里的每件商品都打八折。

   zhè​lǐ de měi jiàn shāng​pǐn dōu dǎ bā zhé.

   Every item here is 20% off.

   Source: Dong Chinese Dictionary

3. 为了庆祝店庆，全场商品八折优惠。

   wèi​le qìng​zhù diàn qìng, quán​chǎng shāng​pǐn bā zhé yōu​huì.

   To celebrate the store's anniversary, all items are 20% off.

   Source: Dong Chinese Dictionary

4. 凭学生证在书店买书可以享受八折优惠。

   píng xué​sheng​zhèng zài shū​diàn mǎi shū kě​yǐ xiǎng​shòu bā zhé yōu​huì.

   With a student ID, you can enjoy a 20% discount at the bookstore.

   Source: Dong Chinese Dictionary