1.clean up 清扫

例句:Under pressure from the public, many regional governments cleaned up their beaches.
迫于公众压力，许多地区政府对各自海滩进行了清理。

2.the central bank 中央银行

例句:The Central Bank is authorized to sell government bonds on the open market.
中央银行获授权公开发行政府债券。

3.in order to 为了

例句:In order to ensure success we must have a complete and thorough plan.
为了保证成功，我们必须要有一个周密的计划。

4.a range of 一系列的

例句:The slim booklets describe a range of services and facilities
这些薄薄的小册子介绍了一系列服务和设施。