And on the political process, he urged that they be flexible in terms of negotiating with the rebels, the nonsignatory rebels, so that the Darfur Peace Agreement could be implemented.
NPR: U.S. Officials Look for Political Solution to Darfur
nonsignatory:
non- +? signatory
英汉双解词典包含3185865条英汉词条，基本涵盖了全部常用单词的翻译及用法，是英语学习的有利工具。