This is part of why you don't see tracking images on the actor modeling for Groot, a tall talking tree or actor Sean Gunn, who stands in for Rocket Raccoon.

这就是为什么你看不到演员为格鲁特（一棵高大的会说话的树）建模的跟踪图像，也看不到演员肖恩·古恩（火箭浣熊的替身）的部分原因。