据研究报告估计，建造一个厕所的成本约为300美元，其中包括劳动力、材料和建筑指导。
The report gave a rough cost of 300 dollars to build a toilet, including Labour, materials and advice.
准备详细的书面报告，估计属性值，成本，概述的方法，估算了，并满足评价标准。
Prepare detailed written reports that estimate property values, costs, outline methods by which the estimations were made, and meet appraisal standards.
2005年环境影响报告的补充说明中提到，这些产业带来的收益将达到3.553亿美元，是当时估计拆除大坝成本的两倍。
The 2005 supplemental EIS concluded that the same benefits would be US$355.3 million, twice the cost estimated at that time.
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