One wrinkle : people who buy new games sell those games back to fund the purchase of more new games .
一大难题:那些购买新游戏的人们又会卖掉买来的去购买更多的新游戏。
The wrinkle for nbc is that people will certainly know the results of the gold-medal volleyball match , for instance , or who wins the michael phelps and ryan lochte 200-meter showdown , hours before the prime-time show .