经济学人下载:21世纪各国税制:推陈出新适逢其会(2)

1.adapt to 适应
The world will be different, and we will have to be prepared to adapt to the change.
这个世界将会不同，所以我们必须准备好适应变化。
2.pin down 弄明确
It has taken until now to pin down its exact location.
一直到现在才确定了它的准确位置。
3.roll back 削减
One provision of the law was to roll back taxes to the 1975 level.
该法律的一项条款是把税收削减至1975年的水平。