They've been able to safeguard themselves from regime change and they also have increased their negotiating position quite significantly.

他们已经能保护自己免遭政权更迭，而且还极大地提高了自己的谈判地位。

But he's mostly adapting Kim Jong-un's negotiating position, which is the United States should give sanctions relief on a partial basis.

但他主要是在调整金正恩的谈判立场，即美国应该在部分基础上解除制裁。