Learning English through Online Resources

This book will be used in Online University Classes.
The pros and Cons of Online learning have been a long debate in the Education community.
The argument focuses on comfort, convenience, and cost.
But, now, as we face the COVID pandemic, the issue is more than just comfort and convenience. It has become a health and safety issue. The most obvious benefit of online learning used to be comfort, convenience, and costs.
But now, a significant health issue is added. It is an enormous concern for humanity that Online learning can reduce significantly. Moreover, you can learn English or whatever subject you want right from the comfort of your own home.