downcycle

基本解释

When all those new fields are on-stream, when the SUVs have been sold and the boilers replaced, the downcycle will take hold.
儅所有新的領域都投入生産，儅（耗油量較大的）越野車被出售，，汽缸被替換時，油價的下降通道將會形成。
The current rebound of China stocks is normal in a bear market environment.Indeed, a similar rebound happened in the last downcycle.
CSFB瑞士信貸第一波士頓--投資策略報告 Life after the rebound No more than a bear market rebound.
Construction and demolition, for example, produce lots of inert waste that can be cheaper to put into landfill than to “downcycle” into lower-value construction materials.
建築及拆卸産生大量的惰性廢物，填埋比“下降性循環”成爲價值較低的建築材料更經濟。

a time when there is less economic activity, or when prices or values of something are falling or low
to use waste material or old or used objects to make a product of lower value than the original material or object