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●教育投资的“适度区间”,是指教育投资要有下限和上限。●教育投资的下限,是动态的,随着质量或数量的变化会不断上移。
● The “moderate interval” of educational investment refers to the lower limit and upper limit of educational investment. ● The lower limit of education investment is dynamic, and will continue to move upwards as the quality or quantity changes.