Review the following sentences and combine them so they are more concise.

1. Business professionals need to develop soft skills. They need to do this because the roles and responsibilities of the finance department have changed. 

2. Business professionals often liaise with other departments. When they do this, they do two things. They build their communication and interpersonal skills. 

3. Communication and interpersonal skills are important. They can help business professionals connect with stakeholders. They can also help them gain the trust of their stakeholders. 

4. Soft skills are something that most data analysts lack. This is unfortunate. But this is because the nature of their work has limited social interactions. They need the training to develop these skills if they want to become successful. Review the following sentences and combine them so they are more concise.