Regional integration has proved complicated.

地区整合的工作被证明是复杂的。

Schemes to export power need to speed regional integration.

对外输电的方案则需要加速区域性一体化的进程。

Second, we need to deepen economic cooperation and promote regional integration.

第二，深化经济合作，促进地区融合。

But ASEAN looks too weak and divided to manage faster and deeper regional integration.

不过，整个东盟似乎太软弱，在处理更迅捷的更深入的地区整合问题上太过分散。

Regional environmental cooperation is a certain result of economic regional integration.

区域环境合作是区域经济一体化的必然产物。