Introducing products to others is an important ... in making a sale, or in helping someone else become interested in something that you have to offer.
If you are ... about the product, the person you are talking to is likely to become enthusiastic too.
Think up as many good reasons as you can why people ... what you are introducing them to.
Before you try to ... a product, be sure that you know all about it.
Don't make promises about the product you are introducing if you are not sure they can be kept.