A period of great prosperity followed by a sharp decline.
一段大繁荣之后紧跟着急剧下降的时期。
"The real estate market often experiences boom and bust cycles."
"房地产市场经常经历繁荣与萧条的周期。"
to analyze data in great detail
at risk; in danger of being lost
to work hard and continuously
to have the opposite result of what was intended
to be supportive of someone
to make a special effort to help someone
