the system of risk-proof fund and material reserve are designed to balance the supply and demand
建立风险防范基金和物资储备制度，平衡供需关系
以上为机器翻译结果，长、整句建议使用 人工翻译 。
The system of risk-proof fund and material reserve are designed to balance the supply and demand.
建立保险金制度和物品储备制度以便平衡供求关系。
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