The second is to be familiar with etiquette, that is, to treat people calmly, greet each other and be polite. You can read books on this subject, and you should be polite to local customs. Politeness is very important to community residents and colleagues.
The third is language, which is articulate and logical. After all, there are many people in contact with the community, and there are many things to inform and explain. Be sure to tell people clearly to reduce unnecessary trouble. This depends on more practice at ordinary times. If you are not strong, you can practice your mouth with your family and achieve the best results with the simplest language.
Fourth, learning ability, clear thinking and quick response, which is not so easy to improve, probably related to academic qualifications. For example, ordinary undergraduates should have no problem. It is enough to understand the documents of higher authorities, understand the contents of meetings and learn new jobs. Even some things can only be understood but not expressed.