what brought this about?是什么结构?

what brought this about?是什么结构? what brought it about?是什么意思,语法对吗 About what I am going to do this afternoon.这句话的语法结构是什么?怎么翻译 求翻译：what problems are brought about by the internet? what about this picture what this about it what about this book? what about this ruler?的同义句是什么 what about this evening的同义句是什么 brought是什么? what about this dictonary?中文翻译 What about this dictionary?翻译