If we are smiling, we are breaking that link between stress and health.

微笑可以打破压力与健康之间的联系。"

A defector's likelihood of switching to co-operation increased with the number of players who had broken links with him in the previous round.

在前面一轮游戏中和他中止合作的人越多，他越有可能转向合作者。

We're breaking a link in the chain of transmission.

我们正在打破传播链中的一个环节。

So again, you've broken that physical link. That's huge.

所以，你再次打破了那个物理链接。 那是巨大的。

The US has now broken all diplomatic links with the regime.

【break】美国现已和这个政权断绝了所有外交关系。