sinceconj.因为;既然;自从prep.自从adv.此后
Since you have on imagination.因为你没要想像力。
since the reform and opening-up改革开放以来
Since i graduated from cornell.我就一直都在追随你的脚步。
Since then prices have plunged.从那时起,价格猛跌。
since latter-day Chinese society近代以来中国社会