Submodularity
子模性
🗣️ 情景例句
Pete Waters, RFD Number 1, Chesterton.
Pete Waters，Chesterton乡村免费邮递路 一号 。
Hares may pull dead lions by the beard.
虎落平阳被犬欺。
Mom, can't Lily do it? It's her turn!
妈妈，莉莉就不能做吗？轮到她了！