If some insightful person is able to reconstruct such hidden interactions on a map, then the causal relationships in the background can appear vividly before the eyes, just like with Harry Potter's Marauder's Map.
若有人獨具慧眼，將這一條條隱形線條在地圖上重建出來，就像小魔法師哈利波特的「活點地圖」一樣，事物背後的因果聯繫也就躍然眼前了。