重點講解：
1. in service (車輛、設備)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，火車員工的罷工也導致交通癱瘓一周，只有很少幾輛運行。
2. in terms of 在…方面；從…角度看；根據…來說；
In terms of regional competition the attraction and competitiveness of a city are inseparable from its cultural background.
區域競爭中，城市吸引力和競爭力的提高離不開其文化底蘊的提升。
3. as a result 結果；后果；
As a result, the bad thing has been turned into a good one.
結果壞事變成了好事。
4. keep up with 跟上（變化等）；
We must keep up with the times.
我們必須跟上時代前進的步伐。