At the same time, countries should improve the regional and sub-regional cooperation mechanisms and accelerate regional economic integration.

同时，完善区域、次区域合作机制，加快区域经济一体化进程。

youdao

China will take an active part in Asia's regional cooperation process and promote regional and sub-regional cooperation with non-Asian regions and countries.

中国将积极参与亚洲区域合作进程，坚持推进同亚洲之外其他地区和国家的区域次区域合作。

youdao

All the foreign ministers held that the current bilateral, sub-regional and regional arrangements are part of the efforts to promote the multi-lateral cooperation of the whole region.

外长们一致认为，目前正在进行的双边、次区域、区域安排是推进整个区域的多边合作的组成部分。

youdao

Specifically the UNESCO Chair is involved in developing twinning and other co-operative linking arrangements between the University of Bath and universities in sub-Saharan Africa, as well as developing sub-regional and regional cooperation networks based at the participating institutions.

UNESCO: Purpose/Objectives of the Chair/UNITWIN Network