1 关键而不是重要
firstly, doctors, nurses, and teachers play critical roles in society and directly contribute to the well-being and development of individuals and communities.首先，医生**和教师在社会中发挥着关键作用，直接促进个人和社区的福祉和发展。
2 重要替代
in conclusion, professional workers such as doctors, nurses, and teachers who make significant contributions to society should be paid more than those in the field of sports and entertainment.总之，为社会做出重大贡献的专业工作者，如医生、**和教师，应该比体育和娱乐领域的工人获得更高的报酬。
3 个基本替换重要
in conclusion, while encouraging people to live in cities may contribute to solving traffic and transportation problems, it is essential to adopt a comprehensive approach that considers multiple factors.总之，虽然鼓励人们居住在城市可能有助于解决交通和运输问题，但有必要采取考虑多种因素的方法。
4 个关键替换重要
例1：因此，在解决环境问题的同时，解决潜在的社会和经济因素也至关重要因此，在解决环境问题的同时解决潜在的社会和经济因素至关重要。
例子2：虽然环境问题确实是巨大的，需要系统性的改变，但不可否认的是，个人行动在解决这些问题方面发挥着至关重要的作用虽然环境问题确实很严重，需要系统性变革，但不可否认的是，个人行动在解决这些问题方面发挥着至关重要的作用。
5 个重要替换重要
some argue that environmental issues are too large and complex for individuals to solve, while others believe that individual action is vital for finding solutions.一些人认为环境问题对于个人来说太大太复杂而无法解决，而另一些人则认为个人行动对于找到解决方案至关重要。
6 命令式取代重要
it is imperative that universities provide students with relevant skills and knowledge through a curriculum that is aligned with the demands of the job market.大学必须通过符合就业市场需求的课程为学生提供相关技能和知识。