What judgments will people, especially visitors, make about us based on how we participate in the worship service? Why is it important for us to greet guests and fellow worshipers?

• 人们，尤其是访客，会对我们参与崇拜的情况作出甚麽样的批评？为甚麽欢迎新来宾和参加崇拜者对我们很重要？