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What are the necessary language skills for selling shoes?

Details are as follows:

1. When a customer comes to the store, he should use words such as "Welcome" to show that the customer already knows his arrival, and at the same time let the customer know the location of the service staff. Besides this, you can also say, "Try on any shoes you like" and so on.

2. If the customer doesn't want the salesperson to follow, please keep a certain distance from the customer and pay attention to the customer's eyes to know which pair of shoes they are more concerned about. At this time, you can say, "Call me whenever you need anything".