yī / shēng / jiàn / yì / wǒ / zài / fú / yòng / mò / dá / fēi / ní / qián / xiān / liǎo / jiě / kě / néng / de / fù / zuò / yòng

医生建议我在服用莫达非尼前先了解可能的副作用。

The doctor advised me to learn about the possible side effects before taking modafinil.