i have read an article about this question!公仔箱論壇& W0 H: }. G% o; `; R! r5 m
A man send a carton of eggs and a hen to his own living place,
) B+ S- M9 B; {and he realised that the eggs arrived before the hen do!公仔箱論壇4 b1 y4 L" r6 H) P S$ ], [
Then he claims that eggs come before hen |