VOA慢速英语:Analysts Mixed on Emerging Economies Metric

1. measure vi.测量; 测量
例句：They also measure gross national happiness.
他们还测量国民幸福指数。

2. examine vt.检查，调查
例句：Let's now examine the convolution a bit more as a mathematical entity. 
现在我们进一步考察卷积的数学问题。 

3. establish vt.建立，创建
例句：They want to establish trade relations with us. 
他们想和我国建立贸易关系。 

4. compare vt.比拟，喻为
例句：The proper way is to compare assets and liabilities.
正确的方法应该是将资产比上负债。

5. exchange vt.交换，互换
例句：What would you like to exchange?
请问你要兑换什么货币？

6. validity n.有效，合法
例句：There is some validity to both of these points.
这两种观点都有一定的正确性。