黑暗骑士奥拉夫价格:Today,companies hardly ever introduce major new products without careful test的中文意思是什么?

Today,companies hardly ever introduce major new products without careful test的中文意思是什么? today will you go back? Now my kidney is aching hard. Oh, my God. What can I do 翻译：japanese companies.... Starting Today some companies say 在句中作什么成份 registrar of companies什么意思啊? controlling group of a number of companies soft & hard hard error hard disk