中国少年儿童基金会拟将 500 万元善款用于陕西省的希望工程, 现有多个项目方案可供选择,此时进行费用效果分析最宜采用( )。
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Thenewspaperidentifiedthejournalist-----wrotetheanonymouseditorialpredictingastockmarketcrash.
Experiencesuggeststhatsmall,integratedorganizationscanoperate----incriticalsituationsthanlargefirmcan.