500
Translate to English:
A:这双鞋虽然大小合适,可是颜色不好。有没有咖啡色的?
B:对不起,这种鞋只有黑的。
A:这双鞋样子挺好的,就是它吧。你们这儿可以刷卡吗?
A: This pair is the right size, but it's not a good color. do you have brown?
B: Sorry, we only have this shoe in black
A: The style is pretty nice. This is it. Can I use my credit card here?