Even if North Korea comes back to nuclear disarmament talks, a South Korean official says that sanctions should remain in place.

一名南韩官员称，即使超此案重放核裁军会谈，仍然要对其进行制裁。

youdao

Yang says he thinks the North Korean leader's visit is aimed at discussing cooperation with China on strengthening economic ties, nuclear disarmament talks and "the Cheonan incident."

VOA: standard.2010.05.03

They said the emerging sanctions are aimed not at causing added hardship for the North Korean people but blocking illicit transactions supporting Pyongyang's weapons programs and prompting it back to nuclear talks.

VOA: standard.2009.07.15

But first, another round of talks on the North Korean nuclear issue is in its third day in Beijing.

NPR: 'Sticking Points' Remain in North Korean Talks

That path resulted in the failures, respectively, of the 1994 Agreed Framework on a North Korean nuclear freeze and the Six-Party Talks pursued by Bush.

FORBES: Freedom's Edge

This approach, enshrined most recently in the failed Six-Party Talks--based in Beijing--has neither stopped the North Korean nuclear threat, nor has it transformed Pyongyang's government from a highly militarized proliferation-prone tyranny to something at least more benign.

FORBES: North Korean refugees lead lives of hell in China.