枯叶蝶的保护膜是飞凡
        
            [kū yè dié de băo hù mó shì fēi fán]
        
        
            'The Protective Coating of the Dead Leaf Butterfly is Superb' alludes to resilience, referring to the natural camouflage (the appearance like a dead leaf) used by some butterflies which protects them from predators in an exceptional way.