1. About half of its city center will be closed to cars. 市中心约有一半区域将禁止汽车通行。
2. She walks to the end of the city center where she sees a dirt path that leads up a grassy hill. 她走到城市中心的尽头，在那里，她看到有一条土路通向一个长满草的小山丘。
3. Urbanization—migration away from the suburbs to the city center—will be the biggest real estate trend in 2015, according to a new report. 一份新的报告表明，城市化，即从郊区迁移到市中心，将成为2015年最大的房地产趋势。
4. Commuters complain that increased rush-hour traffic on Blue Highway between the suburbs and the city center has doubled their commuting time. 通勤者抱怨说，在郊区和市中心之间的蓝色高速公路上，高峰时间交通流量的增加使他们的通勤时间增加了一倍。
5. I only have thirty minutes to clear customs in getting to the city center and it means I have to check in by five-thirty, which means leaving home at about four fifteen. 我只有30分钟的时间来办理去市中心的海关手续，这意味着我必须在5点30分办理登机手续，也就是说我必须在4点15分左右离开家。
