i have read an article about this question!
* m- \' F& t y+ XA man send a carton of eggs and a hen to his own living place,
; _8 l5 j2 V- r( k1 L5 Jand he realised that the eggs arrived before the hen do!公仔箱論壇- y6 X9 Q6 T% W" Y7 {4 d) ?/ L' n
Then he claims that eggs come before hen |