（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。
Does new science get us closer to finding out how life on earth began?BBC Inside Science
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Филолог заявил о массовой отмене обращения на «вы» с большой буквы09:36
"I get that scepticism. It's earned, not just toward us, but toward the entire tech industry," Vishnevskiy wrote.