The trade-off between bias and variance is a fundamental concept in machine learning.

The central bank needs to be the adult in the room.

Innovation in mining technology isn't optional - it's essential for our survival and growth.

If you're not stubborn， you'll give up on experiments too soon. And if you're not flexible， you'll pound your head against the wall and you won't see a different solution to a problem you're trying to solve.

Financial opening should be advanced steadily, with cross-border risks prevented.