V-I If a large group of people arrive to see you， especially if their visit is unexpected or causes you a lot of work， you can say that they have descended on you. 突然到访。
底层逻辑是从空间上穿透、通过，延伸到对事物、过程的全面了解、完成，如同一路畅行无阻，实现从空间到过程的语义拓展。底层逻辑是物体向上移动位置，类似价格、水平等数值向上攀升，从空间方位变化类比到数量变化，赋予新义。
