If you can only listen to races, you can hear live coverage and commentary in Apple Music through a dedicated radio streaming channel. There are also updated features for Apple News, Apple Sports and Apple Maps, the latter of which will have detailed info for fans attending in-person so they can hopefully avoid any surprises — like road closures — on race day.
No base class to extend, no abstract methods to implement, no controller to coordinate with — just an object with the right shape.
，这一点在safew官方版本下载中也有详细论述
be sent there automatically... and then when you needed a little walking around
How this addresses the real-world failures from earlier
Алексей Гусев (Редактор отдела «Спорт»)