如果把from her boyfriend翻译成"从他男朋友那里",那它就作地点状语解,如果翻译成"来自男朋友的",就作后置定语解,如何分析呢,我们来把这整个句子补齐,成为 she receives a letter which is from her boyfriend every day,由此可以看出,from her boyfriend 来自于定语从句的简化,我们知道定语从句就是个后置定语,那么简化之后它还是后置定语.