VOA慢速英语:Alaskan Police Launch Kindness Campaign

短语讲解：

1. The police department in Juneau, Alaska launched the campaign to urge residents to perform at least one act of kindness every day.

at least 至少
例句：In fact it requires at least n generators.
事实上，它至少要有n个元素。

2. Sell said the goal is to measure the effect of kindness on crime, suicides and emergency calls by the end of 2017.

by the end of 到…为止
例句：By the end of the holiday I had spent all my money
到假期结束时，我已经花光了自己所有的钱。

3. Sell said it makes sense for police officers to take the lead on a kindness campaign because they are the people who react when people don't treat others well.

make sense 有意义; 理解; 讲得通
例句：On the face of it that seems to make sense. But the figures don't add up
乍一看，似乎讲得通，但这些数字对不起来。

4. And that’s what we are hoping to prove with this initiative, in that we can change what it feels like to live in a particular city...

live in 住在学习[工作]的地方; 住在（某地）
例句：We used to live in Shanghai but now we live in Beijing.
我们以前住在上海，但现在住在北京。