重点讲解：
1. be aimed at 旨在；目的是；
He said the new service was aimed at driving up revenues and readership and above all about understanding how news is read online.
他声称这项新服务旨在拉高收入和读者数，而且最重要的是目的在于搞清楚人们怎样对新闻进行在线阅读。
2. in accordance with 按照；依据；
The scheme has been revised in accordance with the opinions of the masses.
方案已按照群众意见修改了。
3. speed up (使)(某一过程或活动)加快；
Once these difficulties were got over, the work would speed up.
一旦克服了这些困难，工作进展就快了。
4. speaking of (接过话头引入新话题)说到…，谈到…；
Speaking of bicycle, some people think it has outdated in many big cities.
说起自行车，很多人认为在很多大城市，它已经过时了。