As a piece of furniture:
* I keep all my important documents in the top drawer of my bureau.
* The antique bureau was a beautiful piece of furniture, intricately carved with floral designs.
* She dusted off the old bureau and carefully placed her grandmother's jewelry inside.
As an organization:
* The bureau responsible for environmental protection is holding a public meeting next week.
* He applied for a job at the bureau of statistics.
* The bureau issued a warning about the potential for severe weather.
As a synonym for "desk":
* He sat down at his bureau and began to write a letter.
* The bureau in the corner was piled high with paperwork.
* She kept a small desk lamp on her bureau.
In a figurative sense:
* The political bureau was accused of corruption and incompetence.
* The travel bureau helped us plan our dream vacation.
* The bureau of public opinion was divided on the issue of immigration.
These are just a few examples, and the specific meaning of "bureau" will depend on the context of the sentence.