我一直在努力突破自我。

The ultimate goal of machine learning is to make computers learn from experience and improve their performance on tasks over time.

煤炭的未来在于可持续和负责任的采矿实践。

解释：想要变得刚强，必定先要保持柔和；想要变得强大，一定先要保持弱小。

We are all capable of change, but we have to believe it's possible first.

故事的力量在于它能够激发爱。