行动上领导率先垂范，全员积极参与；

On action, leading comrades play a leading role, and the whole staff take part in.

气候变化无常，行动切勿观望。美国理当率先垂范。

The uncertainty surrounding climate change argues for action, not inaction. America should lead the way.

父母们帮助孩子克服撒谎的办法就是做到率先垂范。

One way parents can help their children overcome their lying is to model truthful behavior.