单词	trade down (or up)
释义	请查阅词条：trade
随便看	member of the electorate member of the fair/gentle sex member of the human race member of the mafia member of the magic circle member of the oldest profession member of the resistance member of the upper crust member of the workforce members membership membership card membership fee memberships Members of Congress members of court Members of Parliament members of the aristocracy/nobility/peerage membra disiecta membra disjecta membral membrally membranaceous membranaceous membranaceously 挨个儿挨宰挨批挨整挨板子挨次挨班儿挨肩儿挨边挨近 Bewegen bewegend bewegende Beweggrund beweglich beweglicher_Anschlag beweglicher_Anschlussschrank beweglicher_Klemmenkasten Beweglichkeit Beweglichkeit