Taxonomists "should be thinking about the evolutionary relationships between different species and groups of species, not racking their brains over whether a particular species is a butterfly or moth," says Yen.
對分類學者而言，「應該關心的是每個類群間的演化關係，而非刻板的挖空心思分辨孰是蝴蝶、孰是蛾類。」