i have read an article about this question!
( W5 M; u5 \! u/ J5 K5 I! u' BA man send a carton of eggs and a hen to his own living place,tvb now,tvbnow,bttvb. ^2 l: `, f; D* Z8 X" T3 _ k) t* {
and he realised that the eggs arrived before the hen do!公仔箱論壇2 I- R; B4 s5 i
Then he claims that eggs come before hen |