Text4
课上讲解
Infrastructure
基础设施；基础建设
expenditure
（政府）花费，支出；费用，经费
ex-出
pen-pend-pens 钱
expend 花钱
expense 花费
unprecedented
史无前例的
un-否定
precede 超过；领先
concentrate on
关注
=focus on
centre on
guarantee
保证
guard 保护；保卫
gua瓜ran瓜瓤tee甜
课下背诵
connection with
联系，关联
take place
发生，举行
keep away from
避开，远离
目录
Text4
- 课上讲解
- Infrastructure
- expenditure
- unprecedented
- concentrate on
- guarantee
- 课下背诵
- connection with
- take place
- keep away from
