"Announcement" is the English term for "宣布". It refers to the act of making information public or officially notifying a group of people about a decision, event, or development. For example:

"The company will make an announcement regarding the new product launch next week."

In this sentence, "announcement" is used to indicate that the company plans to publicly share details about a forthcoming product release. Here are a few more examples of how "announcement" can be used in different contexts:

1. Event Notification:

- "The wedding announcement was published in the local newspaper."

2. Official Declaration:

- "The government made an announcement about the new tax policies."

3. Media Release:

- "The news outlet is expecting an important announcement from the CEO later today."

4. Personal News:

- "They decided to wait until after the holiday season to make their engagement announcement."

"Announcement" is a versatile word used across various fields and situations to convey the act of informing others about significant information or changes.