过去从未死去，它甚至还未过去。

The ultimate goal of machine learning is to make machines that can learn from experience and improve their performance over time.

我欠妇女解放运动什么也没有。

"We are all the sum of our memories, but what happens when those memories are erased or altered? Do we become someone else, or do we remain the same person, just with a different past?"