Here's Professor Langdon examining a GPS dot, which his accomplice tells him is a tracking device accurate within two feet anywhere on the globe, but we know that in the world of nonfiction, the GPS dot is impossible, right?
这是Langdon教授在检查一个GPS点， 他的同谋告诉他这是一个跟踪仪器， 能精确到全球任何地方两英尺之内。 但我们知道在真实世界中， GPS点是不可能的，对吧？