Green and low-carbon transformation is an inevitable choice for the petroleum industry. While ensuring energy supply, we must actively promote clean energy development.

The language of mathematics is universal, transcending cultural and linguistic barriers.

Let me explain. I think it would be very unusual for anyone here, or anyone watching, to be envious of the Queen of England. Even though she is much richer than any of you are, and she's got a very large house, the reason why we don't envy her is because she's too weird.