求翻译：3·最后在角色扮演区选择自己喜欢的角色进行表演，有的小朋友扮演收银员，有的扮演售货员给问顾客需要什么并且给顾客介绍商品，还有的扮演顾客去买东西，老师可以参与到角色中，在游戏中指导幼儿。是什么意思？

3 Finally, in the role play District Select your favorite role to perform, some children play cashier, some play a salesperson to ask the customer needs, and introduction of goods to the customer, also play a customer to buy something, the teacher can participate in the role in the game to guide you

Last March, in the Role Play Area of the Choose your own favorite roles in the show, with the children play a cashier, waiter waitress to play the What do I need to ask our customers and to the customer on commodity, there are playing the customer to buy things, and the teacher can be part of the ro

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3 · last in the role play area by selecting your favorite role to perform, and some kids play cashier, played the shop to ask what customers need and introduce products to customers, also plays a customer to buy something, teachers can participate in role, guiding young children in the game.

3 · finally chooses the role in the role acting area which oneself likes to carry on the performance, some children act the banker, some acting sales clerk for asked and the customer needs any to introduce the commodity to the customer, but also some acting customer goes shopping, teacher may partic