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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 like "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, keep a certain distance from the customer, and at the same time pay attention to the customer's eyes and know which pair of shoes you are more concerned about. At this time, you can say "Call me anytime if you need anything".