Viewed through the eyes of a nature photographer, a dead tree has a startling "utility"; it not only has its own "existential value," but also brings people to a new understanding of birds.
透過攝影者的眼睛，一棵枯木的「用處」讓人驚訝，枯樹得以凸顯它的「存在價值」，人們也藉此對鳥有了新的發現與認識。