In fact, there are an endless number since we can class ify design according to the particular article or product or according to the professional fiel ld 因为我们可以按特定产品或按专业领域来 分类,实际上设计的类别是非常多的。 Sinc引导原因状语从句, article or product为并列成分, 而 or according to..与前一 according to构成并列成分。In fact，there are an endless number since we can classify design according to the particular article or product or according to the professional field． 因为我们可以按特定产品或按专业领域来 分类，实际上设计的类别是非常多的。 Since引导原因状语从句，article or product为并列成分， 而or according to …与前一according to 构成并列成分