The most important challenge facing the world today is the need to create strong, effective, and accountable states in the developing world.

水产养殖的成功在于平衡产量与生态。

相信自己能行，你已经成功了一半。

I think that we communicate only too well, in our silence, in what is unsaid, and that what takes place is a continual evasion, desperate rearguard attempts to keep ourselves to ourselves.