1.结构提示

With the fast development of modern teaching techniques, online education is becoming a bellwether in this field throughout the world.

In conclusion, online education is a promising industry. It will be the future and will be more and more important among all education systems.

With the fast development of modern teaching techniques, online education is becoming a bellwether in this field throughout the world. And the widely used internet is playing a dominant role in this revolution. My opinion on your question is as follows.

2.要点提示

classrooms are no longer needed, lower costs/expenses, more audience/beneficiaries

students are able to learn whatever they are interested in

can be used regardless of time and place

will become a global trend, still needs time