析： according to 意为“按照;根据;因……而定”。
according as 意为“随……而定”。
according to 后接名词或从句，
according as 后接从句。例如：
According to the newspapers ， Bush will come to China tomorrow.
据报纸上说，布什明天将来中国。
You may do it today or tomorrow according as the situation requires.
你们今天做还是明天做这件事，可以根据客观需要而定。
。