[, ]an act of increasing or making sth increase in size, amount or value 扩展；拓展◆There was little expansion in business investment last year. 去年企业投资几乎没有扩大。◆a period of rapid economic expansion 经济快速增长时期◆The company has announced plans for a major expansion of its retail business. 这家公司已公布其大规模扩展零售业务的计划。⨁an expansion drive / plan / programme / project / strategy 拓展运动／计划／方案／项目／策略⨁to continue / halt / slow / stop expansion 继续／停止／放慢／中止扩展⨁to finance / fund (an) expansion 为业务拓展提供资金horizontal expansion margin expansion