The politics of the issue is tricky for the TPP’s Latin American members. All three have negotiated intellectual-property agreements with the US, achieving what seemed like mutually agreeable levels of protection.
这个问题的政治对于TPP的拉美成员国来说相当棘手。三国都与美国进行过知识产权协议谈判，达成了互相同意的保护期。现在为何要予以改变？