live end of the line的意思|示意

Last Sunday, being a particularly cold and rainy day, it was even more so in my heart that I was to the end of the line where I no longer had any hope or will to live.

上星期天，天特别的冷，外面又下着大雨，我心里更是倍加孤独，我到了没有活着的期盼和意志的地步。

We model the firms as stores that are on either end of a long road or line. Customers live along this line.

设定一个模型：两个企业的销售点分别在一条公路或线路的两头，而消费者在这条线路上平均分布。