Scholars have proven that efficiency and fairness are a unity of contradictions. Achieving common prosperity requires going through several stages and cannot be achieved overnight, but we must not make specific preparations for achieving common prosperity at each stage. therefore:. ['We must take fairness into account while focusing on efficiency.', 'We must first value fairness.', 'We must adhere to efficiency first.', 'The contradiction between efficiency and fairness can never be resolved correctly.']