VOA慢速英语:Puerto Rico: The Other Debt Crisis

短语讲解：

1. But some observers say the investors should be more worried about the debt problems in a U.S. territory -- the island of Puerto Rico.

worry about 担忧， 烦恼
例句：Don't worry about being late. It's fine.
别为迟到担心了 没有关系。

2. Some observers say the U.S. economy could be hurt if Puerto Rico is not able to pay its debts.

be able to 能够; 能，会
例句：I may be able to help you in some way.
我也许可以从某个方面去帮助你。

3. American cities can ask for a court’s approval to cancel debts, but territories cannot.

ask for 要求
例句：He had the audacity to ask for an increase in salary.
他竟然厚着脸皮要求增加薪水。