Laffer
curve [经](表明税率与税收关系的)拉弗曲线
🗣️ 情景例句
The climate here is always hot, summer and winter alike.
这里的气候总是那么热，夏季与冬季都一样。
No one can call back yesterday;Yesterday will not be called again.
昨日不复来。
modern states 'invest'in institutions of learning to get back 'interest'
现代国家对教育机构投资，收回的"利息