And we've introduced a progression dynamic into it, where, by going to the same place over and over, by doing challenges, by engaging with the business, you move a green bar from the left edge of the screen to the right edge of the screen, and you eventually unlock rewards.
我们已经把进步动力的方式引入游戏之中， 人们通过一次次到相同的地方， 不断地完成挑战，参与经济活动， 会使的一根绿色的进度条从屏幕的左边不断向右边推移， 最终你能得到奖赏。