1.social change 社会变迁

例句:The key issue is the ability of the state to perceive social change and realize possible outcomes of its social policy.

因此，关键在于国家对于社会变迁的观察能力必须相对应地提升，并且掌握社会政策可能引起的社会性效果。

2.in order to 为了

例句:Anne raised her voice in order to be heard.

为了让人能听得见，安妮提高了嗓门。

3.more than 超过

例句:He had notched up more than 25 victories worldwide.

他已赢得了超过25次国际级别赛事的胜利

4.social media 社交媒体

例句:For leaders, social media is an extraordinary tool.

社交媒体对于领导者们而言是一个非同寻常的工具。