英语语法分析

Economic activity often follows a cyclical pattern.

经济活动常常遵循周期性模式。

《牛津词典》

There is also a cyclical pattern in fashion.

时尚业也存在着一个周期性的模式。

In this situation, the predator and prey population may continue in this cyclical pattern for some time.

在这种情况下，捕食者和被捕食者可能会在一段时间内继续这种循环模式。