zhè / wèi / lǎo / yī / shēng / wèi / zhì / liáo / hǎn / jiàn / bìng / dān / jīng / jié / lǜ / bāng / zhù / xǔ / duō / huàn / zhě / zhǎo / dào / le / hé / shì / de / fāng / àn

这位老医生为治疗罕见病殚精竭虑，帮助许多患者找到了合适的方案。

This senior doctor devoted enormous effort to treating rare diseases and helped many patients find suitable treatment plans.