welcome wagon
noun [ U ] uk/ˈwel.kəm ˌwæɡ.ən/ us/ˈwel.kəm ˌwæɡ.ən/
（对…）表示欢迎
used in phrases such as 'roll out the welcome wagon' and 'be greeted by the welcome wagon' to refer to a happy and friendly way of greeting people who are new to a place
She likes to roll out the welcome wagon for (= greet and be friendly to) everyone who moves onto the block. 对于每一个搬到这栋楼的人，她都喜欢上前表示欢迎。
Welcome Wagon US trademark（为新居民提供商业及服务信息的）欢迎机构
the name of an organization that gives information about businesses and services in a town to people who have recently moved there