階層 地位 A new echelon of management was created to handle the expansion 拡大に対応するために新たな管理階層が設けられた A level of command authority or rank ※tier ※rank French “eschelon”＝階段状の地位
GRE ADVANCED
Optimized studying based on the forgetting curve vastly improves memorization. - What is reminDO? Memorize
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