Daily Chinese Idiom Guessing Game
Supply cannot meet demand; demand exceeds supply.
供供给，供应；求需求，需要。供应不能满足需求。
巴金《忆觉醒与活动》当时在成都新的书报很受欢迎，常常供不应求。”
During the holiday season, the popular toy was in such high demand that it was completely sold out everywhere.