Often these games are also money-spinners for the makers as players have to spend money to advance the storyline.
这些游戏通常也是制作者们的摇钱树，因为玩家不得不花钱以推进游戏进程。
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That is the question confronting policy makers as they try to bring Internet access to the masses while seeking to curb illegal copying of digital music, movies and video games.