Qǐyè / zài / zhìdìng / cǎigòu / jìhuá / shí / xūyào / zǐxì / yánjiū / xiāngguān / shuìzé

企业在制定采购计划时，需要仔细研究相关税则。

When making procurement plans, companies need to study the relevant tariff regulations carefully.