The authors estimate their proposal could create more than two million jobs in the first year.
该建议作者们估计，他们的建议在第一年能创造出超过2百万的工作岗位。
They learn how to weigh the benefits of a given proposal against its costs and how to estimate the impact of a building or other proposal on the environment.
他们学习如何权衡一个提议的利益与代价，以及如何估计一个建筑或提议对环境的影响。
They learn how to weigh the benefits of a given proposal against its costs and how to estimate the impact of a building or other proposal on the environment.
他们学习如何权衡一个提议的利益与代价，以及如何估计一个建筑或提议对环境的影响。
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