slot

水沟, 细长孔, 硬币投币口, 缝, 狭槽, 狭通道, 位置, 一档(广播节目等)

a position in a grammatical linguistic construction in which a variety of alternative units are interchangeable; a small slit (as for inserting a coin or depositing mail); a position in a hierarchy or organization; the trail of an animal (especially a deer)

开槽于, 把...纳入机构