Other architectures that are based on layers put more emphasis on Separation of Concerns. Thus, every layer is dedicated only to a specific technical function (e.g. all domain code, all use case code, all infrastructure code). But as a result they mix in one layer all the different business processes and domains. As the code grows, it gets harder to reason about.
Материалы по теме:
，更多细节参见91视频
Features of Grammarly
ETF费用相关说明：投资者在申购或赎回基金份额时，申购赎回代理机构可按照不超过0.5%的标准收取佣金，场内交易费用以证券公司实际收取为准。ETF不收取销售服务费。