VOA慢速英语:Anti-Corruption Group Says Abuse of Power Still ‘Very High’ in Many Countries

1. The group uses information from a number of economic sources.

a number of 一些
例句：There are a number of negroes in the city.
这个城市有一些黑人。

2. “And in some countries it can be that 50 percent of the population had to pay a bribe to gain access to essential services like water, education, health, licenses.”

access to 有权使用
例句：All students have free access to the library.
所有学生都可自由进入图书馆。

3. She says the index can show people involved in policy decisions how others see the issue of corruption in their countries.

involve in 卷入
例句：Be you involve in the copyright affair.
你是否卷入著作权的事件之中。

4. "We need evidence about how corruption works. We need to know where to target the reforms needed to promote transparency, accountability and integrity."

need to 需要
例句：I need to talk to you.
我需要和你谈谈。