i have read an article about this question!
' J W" N U: r1 R公仔箱論壇A man send a carton of eggs and a hen to his own living place,
6 M$ v8 D; ~8 s) \$ ~and he realised that the eggs arrived before the hen do!
) P. O; ~# U7 S3 z$ U, S5 d$ o) V公仔箱論壇Then he claims that eggs come before hen |