The recycling industry is particularly vulnerable to wild cyclical swings in the market.

回收工业经受不了市场价格的同期性激烈涨落。

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Sorrell spotted early on the virtues of geographic diversity, a hedge against the cyclical swings of the ad industry.

FORBES: The Global 2000

However ubiquitous, Tata's trucks faced a problem after the Indian government began reforms that opened the Indian economy in 1991: the huge cyclical swings in demand typical for commercial vehicles.

FORBES: The Next People's Car