What do you mean by opportunities, breakthroughs and changes in the forecast?

Opportunity means the opportunity and time the day after tomorrow, breakthrough means widening the gap, surpassing and breaking, change means change, and some things or social phenomena have changed.

Specifically, it is people's scientific speculation on the possible future trend and possible level of things by using various qualitative and quantitative analysis methods according to the objective process and some laws of things' past development and change and the state of things' movement and change.