（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。
7Julius Petri once wrote: “These shallow dishes are particularly recommended for agar plates…Counting the grown colonies is also easy.” (Translated by Corrado Nai from the original, 1887 German manuscript.)
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NYT Connections Sports Edition today: Hints and answers for February 27, 2026
63-летняя Деми Мур вышла в свет с неожиданной стрижкой17:54