示范答案：
Sure, we definitely meet different friends in different stages of lives. It depends on what we are doing and what our peers would be like. For example, when we were in our childhoods, our friends may be those who we could hang out with or simply those who were willing to lend us a toy bear without hesitation. But when we enter college and become more mature, our friends may be those who share common interests with us or schoolmates we meet in extra-curricular activities. And after we’ve stepped into the society, our friends may come from all walks of life, and sometimes our friends may not be among the rank of our peers or we may work in different fields of industry.
