United States envoy for Sudan Tom Perriello said on Monday peace talks were in progress in Switzerland days after the announcement of the reopening of the country's Adre crossing with Chad.

美国苏丹问题特使Tom Perriello周一表示，在瑞士宣布重新开放与乍得的阿德雷过境点几天后，和平谈判正在瑞士进行。