Advantages and disadvantages of online reading and traditional paper reading.

Advantages of online reading: convenience, quickness, large amount of information, wide range of information and vivid image.

Disadvantages: hardware facilities are needed, and there may be vulgar content in the online reading environment, which affects readers' physical and mental health.

Advantages of traditional paper reading: you can read it whenever you want, which keeps people's original reading habits and is conducive to protecting their eyes.

Disadvantages: inconvenient to carry, high cost, and need a lot of tree resources.