Laffer
curve [经](表明税率与税收关系的)拉弗曲线
🗣️ 情景例句
You do?
真的？
Be practical!
实际一点吧！
But here we come up against the most difficult of all obstacles to contact with people on other planets ----the astronomical distances which separate us.
然而，在和外星人联系中我们遇到的最大困难是分隔我们的天文距离。