Vi?c này không nh?ng b?o v? giao d?ch mà còn gi? an toàn tuy?t ??i cho d? li?u c?a ng??i ch?i.In Situation 29 of Phoenix, Brian Laidlaw preferred the limitless movement technique, which he considered forced the player about the defensive to determine when to fireplace at an advancing enemy. He agreed the battle system was complex, but located