In recent years, with the freeze in official contacts between Tai-wan and mainland China, there has been much talk of cross-strait communication through "track two" (unofficial) channels. Scholars from American think tanks connected to East Asian affairs, which have considerable influence on American policy, have been serving as channels for transmitting messages and information among the parties.
近年來，台海兩岸官方對話封閉，遂有「第二管道」（簡稱「二軌」）之議興起，由台、中、美三角關係中，對美國政策頗具影響力的智庫學者奔走兩岸，傳遞訊息。