1. To Mister Charles Jordan, the director of the Portland Parks and Recreation Department, it's just a beginning.
    对波特兰市的公园和娱乐部部长查尔斯·乔丹先生来说，这仅仅是一个开头。

2. He also wants to build a green belt from Portland, across Canada and the United States, all the way back to the Pacific Ocean.
    他还想建造一条从波特兰市出发，横穿加拿大、美国,一直延伸到太平洋的绿化地带。

3. In Portland, Maine, the land along the old train tracks near the coast has become a green belt of trails between areas characterized by housing developments and those characterized by downtown businesses.
    在缅因州的波特兰市，那离海岸不远处的旧铁路延线的土地已经变成了一长条绿化带，正好处于以住宅开发为特征的区域和市中心以商业为特征的区域之间。