Is it true to explain part-time teachers on the spot?

It's true. On-site commentary part-time teachers usually refer to doing commentary part-time in some webcast platforms, sports events and other places. All major recruitment platforms have recruitment, and this position is real. Interpretation is an expression method to explain things and things, which means to explain the shape, nature, characteristics, causes, relations and functions of things clearly in concise words. It is the main expression method of explanatory writing.