干挨家挨户上门推销这一营生得脸皮厚，这是因为干这一行不仅要经受风吹日晒，还要承受一次又一次的闭门羹。比尔。波特忍受着这一切，以及别的种种折磨。
14. When children take up ways of making a living that differ greatly from their parents,differences in outlook can easily arise. This is what Alfred found. Brought up in the family of a building worker,education led him to develop different interests and ambitions from his father. Here he writes about how this affected their relationship.
当子女的谋生方式与父母大相径庭时，很容易产生观念上的差异。这正是Alfred的发现。他在一个建筑工人的家庭里长大，他所受的教育使他产生了不同于父亲的兴趣和抱负。他在本文中叙述了这一差异如何影响着他们的父子关系。