we have had figures which show that something like up to 50% of a typical building’s electricity costs go on lighting,,这句怎么翻译呢?请高手也将这个which的定语从句的成分划分下,语法也说下好吗?这个句子好难呀

问题描述:

we have had figures which show that something like up to 50% of a typical building’s electricity costs go on lighting,,这句怎么翻译呢?请高手也将这个which的定语从句的成分划分下,语法也说下好吗?这个句子好难呀