这是我昨天买的,不能用。
Zhè shì wŏ zuótiān măi de, bù néng yòng.
I bought it yesterday, but it doesnt work.
Dialogue
A: 这是我昨天买的,不能用。
Zhè shì wŏ zuótiān măi de, bù néng yòng.
I bought it yesterday, but it doesnt work.
B: 让我看看。
Ràng wŏ kànkan.
Let me have a look.