Do you have one a little smaller?
你有小一点的吗？
Do you have something with keys?
你有带钥匙的吗？
Can I get a little discount?
我能得到些折扣吗？
Can you order it for me?
你能为我定购吗？
How long does it take?
需要多长时间？
I'll take this.
我要这个。
I'd like three same as this.
我要3个这样的。
This is a present
这是个赠品。
Can you wrap it as a gift?
你能把它作为礼物包装吗？