A good way to discern what motivates Obama is to ask a simple question: what is his dream?

辨别奥巴马行为动机的一个很好方式是问他一个简单的问题：你的梦想是什么？

youdao

When I began this series of four articles introducing the WSFL, my goals were simple: to provide you with a basic understanding of what WSFL is, what it does, how to use it, and what it's good for.

当我开始这个分四部分的介绍 WSFL 的系列时，我的目的很简单：使您对 WSFL 有一个基本了解，知道它能做什么，如何使用它，以及它有什么优势。

youdao

I've chosen to include the image above because the story behind it is a good example of what even simple research can lead to.

我选择这张图片是因为它可谓一个绝佳的例子，照片的背景只需做一些简单的调查便可知道。

youdao