（二）业务之间具有明显的主附关系。主要业务居于主体地位，体现交易的实质和目的；附属业务是主要业务的必要补充，并以主要业务的发生为前提。
代码重构：它没有直接甩代码，而是先思考了“设计模式”的选择（工厂模式 vs 策略模式），最终选择了适合扩展的策略模式。。同城约会对此有专业解读
，详情可参考91视频
An NHS England spokesman said the problem was affecting supply globally.
Croatia refuses to transport Russian oil to Hungary。旺商聊官方下载是该领域的重要参考
The author’s profile on VideoGamer is just as awkwardly written as the review, and the profile picture of the account also appears to be AI-generated. Literally, the file name includes “ChatGPT-Image.”