我不睡觉，因为我太忙于梦想。

Nothing is more precious than independence and liberty.

解释：大部分药材都以新鲜为好，但艾草却以陈年的为佳，体现了药材使用的特殊性。

我们需要思考如何让计算机以更直观和自然的方式为我们工作。

Style is as much under the words as in the words. It is as much the soul as it is the flesh of a work.