our school is not what it was before是什么意思,这个句子对吗

The school is no longer what it was before this school is （what it was） before Our school quite different from what it was before.怎么分析? Our school building is quite different from _ it was before. what mean it is?这个句子翻译对吗? Output is now six time what it was before 1990.这里的what是什么意思? it is not the same as it was before the output is now sit times what it was before liberation 这个 our school is not the one that it used to be 句子成份 what is it like there这个句子是什么意思 when it is raining.she takes a bus to school 这个句子对吗? It is two years after we left school.这个句子对吗?