经济学人下载:美国中期选举将至 全民医保项目何去何从?(1)

1.rallying cry 战斗口号
an issue that is fast becoming a rallying cry for many Democrats: national health care.
一个很快成为许多民主党人战斗口号的议题：全国医疗保健。
2.in return 作为回报
You pay regular premiums and in return the insurance company will pay out a lump sum.
你定期交纳保险费，作为回报，保险公司会一次性付给你一笔钱。
3.tear up 拆除，拆毁
Dozens of miles of railway track have been torn up.
数十英里的铁轨已被拆除。
4.convert into 转变
The signal will be converted into digital code.
信号将被转变成数字编码。