US nuclear envoy Christopher Hill arrives in Beijing for talks

The video features Mr Wu Dawei, who introduces himself and concludes with a farewell message.

What does Mr. Wu Dawei imply by saying 'I go'?

How might the context of Mr. Wu Dawei's statements affect their interpretation?

In what situations might someone use the phrase 'I go'?

What could be the significance of the phrase 'on the sole see you later'?

What emotions or feelings could be associated with the phrase 'see you later'?