擦痕

tā fā xiàn zì jǐ de xīn chē shang yǒu cā hén

他发现自己的新车上有擦痕。

He found a scratch on his new car.

yīn wèi yǒu cā hén tā men jiāng jià gé jiàng le yuán

因为有擦痕他们将价格降了50元。

They knocked off 50 yuan because of a scratch.