In fact, it is not tied, but the patron saint of you, your friends will never erhaps sometimes it limits your freedom, makes you always in the right channel on the taxiway.

• 事实上，它并不是羁绊，而是你的守护神，是你永远不离不弃的朋友，也许它有时候限制了你的自由，却让你始终在正确的航道上滑行。