Msy
abbr. maximum sustainable yield （自然资源的） 可以长期保持的最大年开发量
🗣️ 情景例句
I guess we'll have to exchange it, too.
我想我们还得去换一件。
Do you fell better now?
你现在觉得好点了吗？
Aunt Harriet lived in that leisurely age when servants were employed to do housework.
哈丽特生活在一个悠闲的年代，家务事都由雇来的佣人代劳。