Discussion of 按照 [àn zhào] according to, on the basis of, in the light of - Trainchinese

1 - 根据和按照有什么区别？ 2 - How is 按照 (àn zhào) commonly used in a sentence? 3 - Are there any synonyms of 按照 (àn zhào)? 4 - Is 按照 (àn zhào) used differently in formal and informal conversations?1 - 依据与遵照之别何在？ 2 - 按照（àn zhào）如何在句子中常规运用？ 3- 按照（àn zhào）是否存在同义词？ 4- 按照（àn zhào）在正式与非正式对话中的使用是否存在差异？