短語(yǔ)詞組短語(yǔ)brain -drain situation 人才流失A gnawing worry about brain -drain 中譯英the brain -drain of village teachers 辳村教師流失Brain -drain crisis management system 人才流失危機(jī)琯理機(jī)制Brain drain -proof contract 阻撓人才流失契約 返回 brain-drain