请分析此句的语法结构,特别是 stand for 的用法
问题描述：
请分析此句的语法结构,特别是 stand for 的用法
My guess is that you’re probably standing in a bookstore or in the airport,checking out a magazine stand for something that might excite.
答
主语：My guess谓语：is 表语（从句）：that you’re probably standing in a bookstore or in the airport,checking out a magazine stand for something that might excite.表语从句中,you 为主语,are standing为...