导购口语:

Everything sold here is real. We have very good reputation in this business.
这里出售的都是真珠宝，我们在这个行业享有盛名。
You may take it on my word, if you find out it is an imitation you may return it to me.
请相信我的话，假如您发现是假的话可以拿来退还给我。
I guaranty what you buy here are all real.
我保证你在这里买的都是真品。