Reagan based his economic program on the theory of supply-side economics, which mandated reducing marginal tax rates to encourage people to work harder and longer.
2
此外,移植也有经济学意义:一次肾脏手术以及终生抗排斥药物的供应与三年透析治疗费用相当。
And transplants make economic sense: the cost of one kidney operation and a lifetime's supply of antirejection drugs equals that of three years' dialysis.
3
此外,移植也有经济学意义:一次肾脏手术以及终生抗排斥药物的供应与三年透析治疗费用相当。
And transplants make economic sense: the cost of one kidney operation and a lifetime's supply of anti-rejection drugs equals that of three years' dialysis.