有效的反哺供给是满足反哺需求的前提，这涉及反哺成本归集和反哺资金筹集。
Effective back-nurture supply is prerequisite to meet the back-nurture demand, which relates to the combining and raising of back-nurture cost.
有效的反哺供给是满足反哺需求的前提，这涉及反哺成本归集和反哺资金筹集。
Effective back-nurture supply is prerequisite to meet the back-nurture demand, which relates to the combining and raising of back-nurture cost.
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