美联储目前没有预测会出现经济衰退。

Time is a slippery thing: lose hold of it once, and its string might sail out of your hands forever.

The real question is not whether machines think but whether men do.

我不后悔任何事情，因为每一步都让我走到了这里。

你受到的约束越多，你就变得越有创造力。