重点词汇
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纯粹
purely; simply; merely; pure; sheer; unadulterated; simple; unalloyed; unmixed; purity; pureness
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自然经济
natural economy
crude economy
纯粹
purely; simply; merely; pure; sheer; unadulterated; simple; unalloyed; unmixed; purity; pureness
自然经济
natural economy