VOA慢速英语:Vietnam Opens its Securities Companies to Foreign Investors

词汇讲解：

1. increase vt. 增大;增加;增强
例句：Travel increases one's knowledge of the world.
旅游增进人对世界的了解。

2. threat n. 威胁,恐吓
例句：Some people think that machinery is a threat to their jobs.
一些人认为机器是对他们工作的一种威胁。

3. include vt. 包括,包含
例句：The price includes both house and furniture.
价钱包括房子和家具。

4. economy n. 节约,节省
例句：The employees of the firm practised economy in doing everything.
该公司的雇员做任何事都厉行节约。 
 
5. estate n. 地产
例句：He is a real estate agent.
他是一个房地产经纪人。

6. remain vi. 剩下,余留
例句：A few pears remain on the trees.
树上尚留有几颗梨子。