yī / shēng / tí / xǐng / wǒ / gòu / mǎi / tiān / má / shí / yào / xuǎn / zé / zhèng / guī / de / yào / cái / diàn

医生提醒我，购买天麻时要选择正规的药材店。

The doctor reminded me to choose a reputable herbal medicine store when buying Gastrodia elata.