（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。
This information asymmetry provides Google with significant competitive advantages, allows it to preempt, copy, and undermine competing products and services, and may open many questions about antitrust.
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The stunning image is the largest ever obtained by the specialist telescope in Chile called the Atacama Large Millimeter/submillimeter Array (Alma) radio telescope, according to the group behind the project.