German Chancellor on first African tour since taking office

The video transcript consists of a single phrase, 'I don't know,' indicating uncertainty or lack of information.

What does the phrase 'I don't know' imply about a person's knowledge?

In what situations might someone say 'I don't know'?

How can admitting 'I don't know' be beneficial in a learning environment?

What are some alternative phrases to 'I don't know' that convey uncertainty?

How should one respond when someone says 'I don't know'?