1. A happy life lies not only in abundant food and clothing, but also in clear water and blue sky.

2. Everyone has the responsibility to build clear water and blue sky.

4. Let the earth be covered with clear water and blue sky to protect ourselves.

5. Building clear waters and blue skies is a basic national policy, which requires the joint efforts of the people.

6. ***The behavior of building clear water embodies blue sky everywhere, is civilized and tidy, and everyone adheres to it.