What does it mean to resume online classes at home during the epidemic?

It means it’s not serious and you can go back to school.

Resumption of classes means the resumption of classes after suspension or strike. The term “resumption of classes” means the resumption of classes after suspension of classes. When the epidemic is more serious, schools will stop offline education and switch to online education. They will not resume classes until the epidemic is less serious and let students return to school for offline education.