However, Choe said that the U.S. must produce an acceptable calculation or risk the end of talks.

不过，崔善姬指出，美国必须提出一个" 可以接受的方案" ，否则将面临谈判破裂的后果。

Choe's official title is secretary of the Workers' Party.

崔的官方头衔是劳动党书记。

We are willing to sit face-to-face with the U.S. around late September at a time and place that we can agree on, Choe said.

" 我们愿意于9月底在双方同意的时间和地点，与美国面对面坐下来。"