1billion ½Ê¾ïÀ¸·Î ¾Ë°íÀִµ¥..
15billion ÀÌ¸é ¹é¿À½Ê¾ïÀÌ°í...¾Æ´Ñ°¡¿ä?
100 billionÀ̠õ¾ï ¾Æ´Ñ°¡¿ä?
 
±Ùµ¥..1 billion dollor°¡ 1Á¶·¡¿ä..¾î¶»°Ô ±×·¸°Ô µÇÁÒ?