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

The future competition is about the industrial chain. We must build advantages across the entire chain.

电影的美在于它让我们感觉不那么孤独的能力。

The thing about happiness is that you only know you had it when it's gone.

This is an interesting planet. It deserves all the attention you can give it.

解析：菩提比喻智慧，明镜比喻清净心。本来清净，又哪里会染上什么尘埃？

"Positive psychology is not about ignoring the negative, but about building the positive."