yī shēng / shuō / bái diàn fēng / bú huì / chuán rǎn / dàn / zhì liáo / qǐ lái / hěn / kùn nán

医生说白癜风不会传染，但治疗起来很困难。

The doctor said vitiligo is not contagious, but it is difficult to treat.