A. Long-time exposure to ear pressure. B. Long-time exposure to loud sounds. C. Listening to music without wearing fashionable earphones. D. Listening to music without wearing specially-made earplugs.
A. Wear your earphones wherever you go. B. Follow the fashion of wearing earplugs. C. Wear earplugs in case of high-volume sounds. D. Buy expensive earplugs to protect your hearing.