The U.N.Deputy Resident and Humanitarian Coordinator in Juba,South Sudan,Lise Grande, says the number of internal conflicts in the semi-autonomous region has risen from last year's levels.

VOA: standard.2010.03.23

Number 2 is internal and external communication.

第二是内部和外部的交流。

斯坦福公开课 - Twitter之父Jack.Dorsey演讲：好奇和灵感的力量课程节选

So, number 2 is that internal and external communication.

所以第二就是,内部和外部的交流。

斯坦福公开课 - Twitter之父Jack.Dorsey演讲：好奇和灵感的力量课程节选