More and more South Korean parents are turning to "Uncle Service" providers to make sure their children don't have to put up bullying (欺凌)in school. Though such services are (obvious) very expensive, it is more effective to deal with the matter, makes the business more and more popular. is reported that the rented strong uncles can not only protect children from bullies, but can also gather evidence of bullying (make) an official complaint with the school. Most companies offer different packages (套餐)to meet customers' (need) and business is reported booming. Some parents think it can solve the problem without (have) to wait for a long investigation. Others hold the opposite view, thinking it another form of (violent). Some experts claim that parents taking matters into their own hands isn't effective way and the school bullying needs to (deal) with by improving the system.