Zhè / zhǒng / lěi / jìn / shōu / fèi / fāng / shì / néng / jiǎn / qīng / dī / shōu / rù / jiā / tíng / de / fù / dān这种累进收费方式能减轻低收入家庭的负担。This progressive fee structure can reduce the burden on low-income families.