CLEAN : Solar powered plane takes off in first round the world attempt

The video provides an overview of a topic, indicating there is much to discuss.

What do you think is meant by 'there's a lot to say'?

In what contexts might someone say 'there's a lot to say'?

How can the phrase 'there's a lot to say' be interpreted in a conversation?

What emotions or feelings might be associated with the statement 'there's a lot to say'?

Can you provide an example of a situation where 'there's a lot to say' would be an appropriate response?