什么是适当的成本？
Constructing an appropriate cost model has important effect on selecting a query plan.
构造一个合适的代价模型对查询计划的选择有着十分重要的影响。
Cost-benefit analysis might help you decide if modularity is appropriate for your current project.
成本-收益分析可能会帮助您决定模块化是否适合于您目前的项目。
Appropriate tax privilege can reduce venture capital cost and raise expected gains.
适宜的税收优惠能降低风险投资成本，提高风险投资的预期收益。
"Light" green public building, Low cost, Appropriate technology, Energy-saving, Comfort.
“浅”绿色建筑，低造价，适宜技术，节能，舒适。
"Light" green public building, Low cost, Appropriate technology, Energy-saving, Comfort.
“浅”绿色建筑，低造价，适宜技术，节能，舒适。
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