Welcome to the Voice of America's News Words.

欢迎收看美国之声：新闻词汇。

The Global Peace Index measures peace among the world's nations.

全球和平指数衡量世界各国的和平程度。

The 2017 report says that deaths and material costs from terrorism have risen sharply: Impact.

2017年的报告表示因为恐怖主义导致的死亡数量和物质成本急剧上升：影响。

The study puts the impact of violence on the world economy last year at $14.3 trillion.

该研究表示去年暴力对世界经济的影响为14.3万亿美元。

To have an impact is to have a strong and often bad effect on something or someone.

产生影响是指对某些事或某些人有非常强烈的，并且往往是不好的影响。

Impact is also the act or force of one thing hitting another.

影响也指某个事物打击另一个事物的行为或力量。