since例句

I've had the hots for him ever since he came to college.
自从他来上大学后,我就对他春心萌动。

"Prices are down 40 per cent since Christmas," he lamented.
“圣诞节以来物价降了4成,”他悲叹道。

Rock'n'roll has become so commercialised and safe since punk.
摇滚乐自从朋克乐以后就已经过于商业化而缺乏新意了。