1·Tickets at the gate are $10, $7 for seniors (age 55 and up).
门票价格为$10，老年人(55岁及以上)为$7。
—— 《柯林斯英汉双解大词典》
2·Western seniors don't often live with their children.
西方的老年人通常不和他们的孩子住在一起。
3·Can seniors in Western countries take the trains for free?
西方国家的老年人可以免费乘坐火车吗？
4·I came up with a way to help lonely seniors with my friends.
我和朋友们想出了一个方法来帮助孤独的老年人。
5·Usually, seniors don't have to buy tickets for trains and buses.
通常，老年人不需要买火车票和公共汽车的票。