Magnificent vehicles originate from simple, primitive wheels; a a metaphor for the evolution of things from simple to complex, from crude to refined.
学习任何一门技艺，都要经历大辂椎轮的过程，从基础学起，逐步精进
Learning any craft or skill requires going through the 'grand carriage and primitive wheel' process, starting with the fundamentals and gradually achieving refinement.
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