TPP is a catalyst to make APEC. To achieve the FTA as scheduled in 2020 or sooner.The TPP is a replacement of the APEC in the case that APEC can not achieve the goal of a free trade zone in 2020.
TPP as a catalyst to achieve the APEC free trade area scheduled in 2020 or earlier TPP. It was like the replacement of APEC, the APEC can achieve a free trade area by the year 2020.
TPP as catalyst to achieve free trade APEC to schedule in A.D. 2020 faster or more use TPP as compensators. In the case of APEC APEC unable to achieve a free trade zone in A.D. 2020 .