求教英语高手【first-year与first year有什么区别】

求教英语高手【first-year与first year有什么区别】 first year与first—year有什么不同. first-year与first year有什么不同? 请问：in first year 和 in the first year 有什么区别?the first year first-year year by year与year after year有什么区别 求问英语高手这句话是VOA中的,其中有一句话For the first year,people are being ur year by year和year after year有什么区别? first 与 first of all有什么区别 first run与first round有什么区别? at first 与 first of all 有什么区别?