英语语法分析

Joseph Boskin, professor emeritus of American humor at Boston University, has offered his own interpretation of the holiday's roots-as a prank.

约瑟夫·布希金，一个擅长美国幽默的波士顿大学退休教授，他给出了自己对于节日起源的理解—同样是一个恶作剧。