previous year: 前一年
200 attended, as opposed to 300 the previous year.
出席的有200人，而前一年是300人。
last year: 去年
My parents split up last year.
我父母去年离婚了。
The railway was opened to traffic last year.
这条铁路是去年通车的。
She has thinned down a lot since last year.
自去年以来她瘦了好多。
I had an amusing experience last year .
去年，我曾有过一段有趣的经历。
The last years passed from her mind .
过去的岁月从她的脑子里闪过。
Leather pyjamas were all the go last year .
宽松的皮裤去年很流行。
