low cost

例句：

1. 1. To save money, we decided to buy the cheaper option.
   为了省钱，我们决定买更便宜的那个。
2. 2.The company is looking for a low-cost alternative to its current product.
   该公司正在寻找一种低成本的替代品来取代其当前的产品。
3. 3. Low-cost airlines are becoming increasingly popular in recent years.
   近年来，低成本航空公司越来越受欢迎。