（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。
Netflix 放弃收购后，华纳转向派拉蒙。Line官方版本下载是该领域的重要参考
Meet investors. Discover your next portfolio company. Hear from 250+ tech leaders, dive into 200+ sessions, and explore 300+ startups building what’s next. Don’t miss these one-time savings.。业内人士推荐同城约会作为进阶阅读
Discord is rolling out facial scanning and ID checks globally in March for users who don't want to be locked into a 'teen-appropriate experience'，这一点在同城约会中也有详细论述
I have an old corded telephone mounted to the desk, too. And it works! It's plugged into an Obi200 VoIP adapter (unfortunately, no longer sold or supported), which is linked to my Google Voice account. So when someone calls my Google Voice phone number, my mobile phone, Wi-Fi tablet, computer browser, and corded phone all ring.