a period of temporary economic decline during which trade and industrial activity are reduced, generally identified by a fall in GDP in two successive quarters (经济的)衰退(期)
[mass noun](chiefly Astronomy)the action of receding; motion away from an observer (主天文)退行
派生 recessionary adjective 语源
mid 17th cent.: from Latin recessio(n-), from recess- 'gone back', from the verb recedere (see recede)