1. Human error may have been a contributing factor. 人为的失误可能是一个起作用的因素。
2. While being happy is about feeling good, meaning is derived from contributing to others or to society in a bigger way. 快乐是一种感觉良好的状态，而意义则来自于以更大的方式为他人或社会做贡献。
3. Thus, despite the increase in printer sales, the Ink Jet Division must be contributing less to the company's profits than it used to. 因此，尽管打印机的销量增加了，喷墨部门对公司利润的贡献一定比过去少。
4. When the government talks about infrastructure contributing to the economy, the focus is usually on roads, railways, broadband, and energy. 当政府谈到基础设施对经济的贡献时，通常关注的是公路、铁路、宽带和能源。
5. Many theories concerning the causes of juvenile delinquency focus either on the individual or on society as the major contributing influence. 许多关于青少年犯罪原因的理论都把焦点放在个人或社会作为主要的促成影响上。
