i have read an article about this question!公仔箱論壇# t# P+ H7 a: j8 Z
A man send a carton of eggs and a hen to his own living place,- G" j& a N* V7 o) V% Y& C4 w2 Z
and he realised that the eggs arrived before the hen do!7 k, h) H# d* D. f7 t* y) V' T
Then he claims that eggs come before hen |