I have no idea. Which one would you recommend? 

我拿不定主意，你会推荐哪一种？

Can you give me some suggestions? 可以给我一些建议吗？

I don’t think I’ll take any today. 我今天先不买了。

I’ll think about it. Thank you. 我再考虑看看，谢谢。

None of these fit me. 这些没有一个适合我。

That  isn’t quite what I want. 那不是我想要的那种。

I don’t think the scarf matches my coat. 

我觉得这条围巾和我外套不搭。

I look awful in the blue hat. 我戴这顶蓝色的帽子不好看。

All right, I’ll take this one. 好吧。我就买这个。

What else are you going to buy? 你还想要买其他的吗？

Are you sure one will be enough? 你确定一个就够了？

Could you send it to China? 你可以送到中国吗？