问题 No. 2: Same topic. Different 问题

I always look through the peep hole in my door 或者 the window before I open it and see who it is. If it's somebody dangerous 或者 somebody I don't like, then no. If it's somebody I know, somebody I love, a family member 或者 somebody I've always wanted to meet like my 最喜爱的 celebrity, then yes