变速齿轮是一个神奇的改变游戏速度的程序（可以加快也可以减慢游戏速度）。所以如果你觉得你的反应速度够快，不需要降低速度的话，那么就在那些磨蹭的游戏中加快速度吧。(Speed gear is a magical change game speed program (also can slow down the game speed will speed up). So if you think your reaction speed is fast enough, do not need to reduce the speed, then linger in the game speed.)