1.to travel by rail 乘火車
例句：I'd chosen to travel by rail not for any anoraky reasons, but because I have always found a train, particularly a slow train, a good way of taking the pulse of a place.
我選擇坐火車旅行因為我發現坐火車，尤其是慢車是觀察一個地方很好的方式。
rail travel/services/fares 鐵路旅行/服務/費用
a rail link/network 鐵路連接；鐵路網

2.invest in/on (把資金)投入
例句：The government has invested heavily in public transport.
政府已對公共交通投入了大量資金。

3.step up 增加,提高(數量、速度等)
例句：He has stepped up his training to prepare for the race.
他為準備那場賽跑加強了訓練。

4.a striking feature 顯著的特征
例句：A striking feature of the report is new research that shows that countries could double their per capita incomes by improving the quality of their legal systems and combating corruption.
報告的一個突出特點是以新的研究成果證明國家通過改進法律制度的質量和反腐敗可以把人均收入提高一倍。