gradualness

例句：

1. 1.The process of learning a new language is gradual and requires patience.
   学习一门新语言的过程是逐渐的，需要耐心。
2. 2. The company's decision to invest in renewable energy sources was a gradualness towards sustainability.
   公司决定投资可再生能源源是一个向可持续发展迈进的逐渐性行动。
3. 3. The project's progress was gradualness, requiring careful planning and execution.
   该项目的进展是逐渐的，需要仔细规划和执行。