“Although people on both sides of the Taiwan Strait live under different systems, we will respect each other and move towards each other,” Cheng said, adding: “We will seek systemic solutions to prevent and avoid war.”
Both Xi and Cheng said they would uphold the 1992 Consensus and opposed Taiwan’s independence


This is not “one country, two systems”. This is “one nation, two countries”. It’s not an irrelevant distinction.
The words are phrased extremely carefully to avoid subjugating Taiwan to Beijing. Perhaps it makes more sense to those who know Chinese. The entire situation is basically a word game at this point. Nobody really seems to want to disturb the status quo, but words have to be said.