星级典句：

第一句：The shop has just opened. You can get a big discount.
本店刚开业，您可以得到很大的折扣。

A: Sir, what would you like? The shop has just opened. You can get a big discount.
先生，您想买点什么？本店刚开业，您可以得到很大的折扣。
B: I'd like to buy a travel bag.
我想买个旅行袋。
A: Do you like this one?
您喜欢这个吗？
B: I don't like the color. Too bright.
我不喜欢这个颜色。太亮了。

第二句：Sir, our shop just opened on Monday. We grant a 20% discount for all the commodities. So it is a good chance for you.
先生，我们周一开业。现在所有的商品都打8折。这是个好时机。

A: How about this one?
那么这个呢？
B: That would be good. But I want to look around.
挺好的。但是我还想再看看。
A: Sir, our shop just opened on Monday. We grant a 20% discount for all the commodities. So it is a good chance for you.
先生，我们周一开业。现在所有的商品都打8折。这是个好时机。
B: Really? Let me have a look at that bag again.
真的啊？那我再看看那个包。

其他表达法：

If you would kindly recommend our establishment to your friends, the favor will be greatly appreciated.
如果您将本店介绍给您朋友，本店将十分感激。

店铺开张和周年庆典都是很好的宣传机会，销售重点在于“宣传”（因为本店新开张），因此给予优惠。