earmark       
verb [ T often passive ] uk/ˈɪə.mɑːk/ us/ˈɪr.mɑːrk/
 划拨(款项);指定…作特定用途
to keep or intend something for a particular purpose
  Five billion dollars of this year's budget is already earmarked for hospital improvements. 已从今年的预算中划拨出50亿美元专门用于改善医院设施。 
 Synonyms: allocateapportion appropriate reserve