只有当将自己的生活与过去人们的生活进行比较时，我们大部分人才会意识到我们有多么依赖它。
Not many of us will realize how much we rely on it until we compare our lives to those in the past.
他们都在大学的毕业典礼上进行过演讲，我们可以通过比较他们的演讲用词，来认识他们的相同或者不同，但是在这之前只有乔布斯的演讲有文字稿。
Both men did deliver commencement speeches, which we compared in word clouds, but only Jobs's address was available in text.
由于是在只有一个磁盘的笔记本电脑上进行模拟的，所以性能比较突出。
Since this simulation is running on a single laptop with only one disk, the performance is outstanding.
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