that follows a regular pattern of success and failure, increase and decrease, etc. 循环的；周期的◆History has shown that economic markets are cyclical. 历史已经显示出经济市场是周期性的。◆the cyclical demand for steel products 对钢材的周期性需求◆a cyclical downturn (= period of difficulty) in the advertising industry 广告业的周期性衰退⨁a cyclical downturn / peak / recovery 周期性衰退／高峰／复苏
easily affected by the success or failure of the general economy 周期性的◆Improved economic conditions have benefitted cyclical stocks. 经济状况的好转令周期性股票受惠。◆cyclical unemployment 周期性失业➡defensive ⨁cyclical shares / stocks 周期性股票⨁a cyclical company / industry 周期性公司／产业