经济繁荣与萧条的交替循环的英文

boom and bust

boom and slump

• 经济繁荣:    economic prosperit ...
• 与:    take part in; part ...
• 萧条:    desolate; bleak
• 的:    4次方是 The fourth po ...
• 交替:    supersede; replace
• 循环:    circulate; circle; ...