VOA慢速英语:China Expands 'Silk Road,' But Faces Questions About Trade Policies

1.infrastructure n.基础设施; 基础建设
例句：The infrastructure, from hotels to transport, is old and decrepit.
从宾馆到交通，所有的基础设施都已陈旧失修。

2.involve vt.包含; 使参与，牵涉; 围绕
例句：Running a kitchen involves a great deal of discipline and speed
料理好厨房需要把一切都安排得规规矩矩，且要讲求速度。

3.investment n.投资，投资额; 封锁
例句：He said the government must introduce tax incentives to encourage investment
他说政府必须推出税收激励政策来鼓励投资。

4.predict vt.预言，预测; 预示，预告
例句：The latest opinion polls are predicting a very close contest
最近的民意测验预测竞争将会非常激烈。

5.substance n.物质，材料; 实质
例句：Later he became a man of substance.
后来,他成为有大量资产的人。