1, look at the affinity of the salesman and the ability to speak, some salesmen with let people see the disgust, do not pay attention to the expression of their own customers when talking, has been like a salesman of the product

2, to understand their own talk about the advantages and disadvantages of catering restaurant to analyze, such as: geographic location of bias; understanding of the cost of food and beverage

3, Group-buying site to say their own advantages, say some other examples of dining group-buying, with data to speak.

4, there are many people who do not have time to consume after the group purchase

Understand these, it can be