malignant trend

例句：

1. 1. The rise of social media has led to a malignant trend in the way people communicate online.
   社交媒体的兴起导致了人们在线交流方式的恶性趋势。
2. 2.The company's decision to invest in renewable energy was a malignant trend that could have a significant impact on the industry.
   公司决定投资可再生能源是一个恶性趋势，可能会对行业产生重大影响。
3. 3.The government's response to the crisis was a malignant trend that could lead to further economic downturns.
   政府对危机的反应是一个恶性趋势，可能会导致进一步的经济衰退。