第三，沉迷于网络不利于人体健康，特别是对视力的伤害。

Third, it is harmful to indulge in the network for health, especially for the eyesight.

youdao

第三，沉迷于网络不利于人体健康，特别是对视力的伤害。

Third, it is harmful to indulge in the network for health, especially for the eyesight.

youdao