重点讲解：
1. in service (车辆、设备)在使用中,可以使用；
Also, a train strike had been paralyzing traffic for about a week, with only few trains in service here and there.
而且，火车员工的罢工也导致交通瘫痪一周，只有很少几辆运行。
2. in terms of 在…方面；从…角度看；根据…来说；
In terms of regional competition the attraction and competitiveness of a city are inseparable from its cultural background.
区域竞争中，城市吸引力和竞争力的提高离不开其文化底蕴的提升。
3. as a result 结果；后果；
As a result, the bad thing has been turned into a good one.
结果坏事变成了好事。
4. keep up with 跟上（变化等）；
We must keep up with the times.
我们必须跟上时代前进的步伐。