（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。
Monday’s snowball fight, which appeared to be organized by social media content producers, caused a chaotic scene as a large crowd amassed at the popular park to wing snowballs at each other during a winter storm.
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Жители Санкт-Петербурга устроили «крысогон»17:52。业内人士推荐下载安装汽水音乐作为进阶阅读
Цены на нефть взлетели до максимума за полгода17:55。Line官方版本下载对此有专业解读