Baek Seung-joo, at Seoul's Korea Institute on Defense Analysis, says he thinks North Korea will discuss what he describes as "fundamental nuclear issues" only with the United States, not China.

VOA: standard.2009.10.05

I found myself occasionally in disagreement with the direction that President Bush was headed, not very often, and not on any truly fundamental issues.

我偶尔会和布什总统,前进的方向存在分析，但不常有，而且不会,在一些基本问题上存在分歧。

普林斯顿公开课 - 国际座谈会课程节选

I found myself occasionally in disagreement with the direction that President Bush was headed, not very often, and not on any truly fundamental issues.

我偶尔会和布什总统,前进的方向存在分析，但不常有，而且不会,在一些基本问题上存在分歧。

普林斯顿公开课 - 国际座谈会课程节选