Women are also essential to building and sustaining peace .

女性对构建和维持和平也是必不可少的。

But sustaining flight on a wing and a prayer could be difficult for huckabee as he faces increased scrutiny of his view of the world .

但当人们越来越多地审视他的世界观时，用“翼”和祈祷支撑他的飞行恐怕会遇到困难。

Sustaining it is the next challenge .

下一步挑战就是要继续维持下去。

But sustaining italy 's recent economic progress will be difficult .

但是，维持意大利近期的经济发展不是一件容易的事情。

But sustaining the progress may become harder .

但要维持这种进展势头可能会更加困难。