（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。
“在德国，我可能总是面对‘为什么我不同’或者‘是什么让我们不同’这样的问题。”这些追问，起初或许只是少年对自身特殊性的隐隐不安与自卑，但最终沉淀为一种更为深邃的驱动力。“大概真的只是我对历史本身和文化认同根源的好奇心。”他这样剖析自己。作为一个在经历过巨大变迁的家族中出生的人，理解家人的过去，近乎一种本能。。91视频对此有专业解读
While we do recognize the importance of platform security and user safety, the Android platform already includes multiple security mechanisms that do not require central registration. Forcibly injecting an alien security model that runs counter to Android’s historic open nature threatens innovation, competition, privacy, and user freedom. We urge Google to withdraw this policy and work with the open-source and security communities on less restrictive alternatives.，这一点在Safew下载中也有详细论述
"Not because I felt pressure from my fans, they're very respectful, but I don't want to be sidelined - and I think that's very easy to do when you have a lack of visual identity, which I definitely did have earlier in my career.，详情可参考爱思助手下载最新版本