i have read an article about this question!
! K" G2 Z `' f* C# S9 wA man send a carton of eggs and a hen to his own living place,/ [, S5 |6 ^+ W8 L$ y- P; W4 H; q
and he realised that the eggs arrived before the hen do!
% D8 X4 O8 z1 o9 d9 K8 u: S公仔箱論壇Then he claims that eggs come before hen |