重点讲解：
1. bring in （政府或组织）推行，采用（新的法律或制度）；
Some cities such as Berlin bring in for-profit companies 'to operate the system.
也有一些城市，比如柏林，引入了营利性机构进行系统运营。
4. speed up (使)(某一过程或活动)加快；
It also comes with some performance improvements that speed up the job processing.
它还对性能进行了提升，以加快工作处理的速度。
3. step up 增加(数量等)；提高(速度、强度等)；
We should further promote dialogue and reconciliation and step up the solution of regional hot issues.
我们要进一步促进对话与和解，推动地区热点问题的解决。
4. across the board 影响全体地；全面地；
There will be a wage increase of20 dollars a week across the board.
全体员工每周工资将增加20美元。