The hard part about writing a novel is finishing it.

通往低碳未来的道路需要多种解决方案和方法。

Understanding the real lives of the poor is the first step toward designing effective policies to help them.

创新不是让事情变得更复杂，而是让事情变得更简单可靠。

最大的胜利来自最艰难的战斗之后。