| 1. | High tariffs throttle trade between countries .
高关税阻止了国与国之间的贸易。 |
| 2. | High tariffs throttle trade between nations .
高的关税抑制着国与国之间的贸易。 |
| 3. | The conditions for extradition vary considerably from one country to another .
引渡条件在国与国之间相去甚远。 |
| 4. | When boundaries between countries are not clearly defined, there is usually trouble .
国与国间的国界未明白划定时，通常会发生纠纷。 |
| 5. | Of all the flows that take place between nations, none is more sensitive than the flow of humans .
在国与国之间发生的一切流动中，没有比人的流动更为敏感的了。 |
| 6. | And history teaches us that enmities between nations, as between individuals, do not last forever .
历史告诉我们国与国的仇恨如同人与人的仇恨，并不是永远不消的。 |
| 7. | Slowly, nations learned about each other, men met and ideas spreadfor better or worse .
不管结果怎样，国与国之间逐渐互相了解了，人们经常相聚，各种思想都得到了传播。 |
| 8. | Incentives differ from country to country and region to region and are always highest in a depressed area .
这些鼓励措施在国与国、地区与地区之间都不尽相同。一般萧条地区提供的鼓励最高。 |
| 9. | Smugglers " run " guns , drugs and other prohibited dangerous items between countries , possibly as a regular activity .
“run”指走私者在国与国之间运送枪支、毒品及其他违禁危险品，可能为经常性的活动。 |
| 10. | High tariffs throttle trade between countries
高的关税抑制了国与国之间的贸易。 |
