重點講解：
1. bring in （政府或組織）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，引入了營利性機構進行系統運營。
4. speed up (使)(某一過程或活動)加快；
It also comes with some performance improvements that speed up the job processing.
它還對性能進行了提升，以加快工作處理的速度。
3. step up 增加(數量等)；提高(速度、強度等)；
We should further promote dialogue and reconciliation and step up the solution of regional hot issues.
我們要進一步促進對話與和解，推動地區熱點問題的解決。
4. across the board 影響全體地；全面地；
There will be a wage increase of20 dollars a week across the board.
全體員工每周工資將增加20美元。