1. Professional teachers are brought in to help with special subjects, but mostly parents and children work together on units like studying the Greeks or the American Civil War, reading about events, making costumes(戏装), and learning how people used to
    一些专业教师被请来上一些专门课程，但有些学习单元主要由家长和孩子一同学习，如学习希腊史和美国内战史，阅读关于重大事件的书籍，制作舞台道具以及了解过去人们的生活方式。