常見例句雙語例句Alvin Hansen and Paul Samuelson constructed equations to predict how a rise or fall in spending in one part of the economy would propagate across the whole of it.阿爾文·漢森和保羅·薩繆爾森構建了一些描述經濟體某一部分支出的漲跌如何擴展至整個經濟體的等式。 返回 paul hansen