1, snowballing means: snowballs roll in the snow and get bigger and bigger. Nowadays snowballing is often used to describe things that develop with more activities.

2, snowballing, pinyin gǔn Xu qiú.

Snowball (a book published by CITIC) generally refers to Snowball: Warren Buffett and His Wealth Life, which is a book published by CITIC Publishing House and written by Schroeder.