cháng qī / xī shí / qù yǎng má huáng jiǎn / huì / yán zhòng / sǔn hài / rén / de / shén jīng xì tǒng长期吸食去氧麻黄碱会严重损害人的神经系统。Long-term use of methamphetamine can severely damage the human nervous system.