导购口语:

Scanners come in quite a variety of shapes and sizes in our store.

我们店的扫描仪形状和大小多种多样。

Your satisfaction is guaranteed, or we refund your money.

我们保证用户满意，否则我们可以退款。

An optical scanner can actually read characters and transfer them to the monitor screen of a computer.

光学扫描仪能读出字符，并将其转换到电脑显示屏上。

语句解析:

Quite a variety of shapes and sizes形状和大小多种多样；your satisfaction is guaranteed意思是“包您满意”；an optical scanner光学扫描仪；transfer… to…将……转换到……

情景再现:

There is a wide range of both flat-bed and sheet-fed scanners available between 300 and 1200 dollars.

我们有很多种单页和连页的扫描仪，价格在300美元到1200美元之间。