经济学人下载:抗生素生产商的困境(1)

1.lottery 碰运气的事
Some people think that marriage is a lottery.
有些人认为婚姻靠的是运气。
2.ration 定量配给
Eggs were rationed during the war.
战争期间，鸡蛋限量供应。
3.explode 激增
The population explodes to 40,000 during the tourist season.
旅游季节，人口激增至4万。
4.accelerate 加速
Exposure to the sun can accelerate the ageing process.
暴露在日光下会加快老化过程。