Confucius used the same analogy to answer Zilu, saying, "If one adds a metal tip to that bamboo arrow and feathers to its shaft, won't it shoot even farther and strike even deeper?"
When we use a computer to digitally edit sound or to create video special effects like morphing, we are bereft of analogy to the mechanical world, so our mental models are necessarily different from the implementation model.
In her essay, she drew an analogy to expound her opinion.
He offers an analogy to explain how it works.