词语适宜性
解释expediency
expediency〔名词〕权宜手段详细»
expediency〔名词〕便利,权宜之计详细»
expediency〔名词〕便利(权宜之计)详细»
expediency〔名词〕便利,权宜之计;n.上安定面详细»