This is not mere interface activity.If there are many buttons and knobs for the player to twiddle, but all this twiddling has little effect on the experience, there is no agency.

• 这不仅是界面活动，如果一个系统有大量的按钮和操纵杆，但是所有的操纵都对系统影响甚微的话，介入感将不会产生。