Take the screen names that describe three brothers and sisters with good feelings as an example.

Sea and blue sky;

The bright moon is in the sky and the weather is warm;

Bead tears, jade smoke;

Lantian and Yu Zi. Refer to "Mermaids shed pearl-like tears in the moon-green sea, and the blue fields breathe their jade to the sun".

In addition,

High mountains and flowing water;

Eshan and Yanghe. It refers to "high mountains and flowing water", "I am like Mount Tai" and "Yang Yang is like a river", which is a metaphor for bosom friends and music.