quota

n. /ˈkwoʊtə/ C1

配额；定额

A fixed limit on the amount of something permitted or needed.

仙境例句

The Queen set each singer a quota of ten pieces to sing, but the Hatter never finished his first.

王后给每位歌手定了唱十支曲子的配额，可帽匠连第一支都没唱完。