In reality, complete specialization may never take place even though it is economically advantageous.
在实际中, 即使完全的专业化在经济上有利,也可能永远不会发生.
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In reality, complete specialization may never occur even though it is economically advantageous.
在实际生活中, 即使完全的专业化在经济上有利,也可能永远不会发生.
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