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1.The government has released antipollution cost estimates for the new industrial zone.
政府已经发布了新工业区的污染成本估计。
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2. The study estimated that the cost of pollution control would exceed $50 billion.
研究估计污染控制的成本将超过500亿美元。
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3.The company is required to provide cost estimates for all its projects.
该公司被要求为所有项目提供成本估计。