【简答题】Social customs (习俗) and ways of behaving change all the time. Things that were considered impolite many years ago are now acceptable. Just a few years ago, it was considered to be impolite behavior fo...
【简答题】Social customs and the ways of behaving change. Things that were considered impolite many years ago are acceptable . Just a few years ago, it was considered to be impolite behavior for a man to smoke ...