No matter how far it goes, an airplane always remains within a control area, just like Sun Wu-k'ung, the Monkey King, who jumped to the end of the universe without leaving the Buddha's palm.
靠著這些現代化的助航設備，以及各航區的分層負責，飛機就像孫悟空一樣，翻不出「如來佛」的手掌心。