在TPP谈判不断推进的同时，欧盟-美国跨大西洋贸易和投资伙伴关系（Transatlantic Trade and Investment Partnership，TTIP）谈判却深陷国内矛盾的掣肘，整个工程都有可能夭折。
The problem is that, as the TPP negotiations progress, talks on the EU-US Transatlantic Trade and Investment Partnership (TTIP) have become so deeply mired in domestic controversies that the entire project may well be scuttled.