[Ts’au Kung defines this as: "Our country adjoining the enemy’s and a
third country conterminous with both." Meng Shih instances the small
principality of Cheng, which was bounded on the north-east by Ch’i, on
the west by Chin, and on the south by Ch’u.]
so that he who occupies it first has most of the Empire at his command,
[The belligerent who holds this dominating position can constrain most
of them to become his allies.]
is ground of intersecting highways.