1. Their cost structure is such that they just can't compete with the low-cost carriers. 他们的成本结构是这样的以致于他们就是没法与那些低成本的运输公司竞争。
2. These dams generate low-cost electricity and store water that is needed for agriculture and industry. 这些水坝能产生低成本的电力，并储存农业和工业所需的水。
3. Even the introduction of low-cost means of transport was difficult because of the general poverty of the district. 即使采用低成本的交通方式也很困难，因为该地区普遍贫困。
4. However, online CBT programs have been gaining popularity, with the attraction of providing low-cost help wherever someone has access to a computer. 然而，在线认知行为疗法项目越来越受欢迎，其吸引力在于只要求助者可以使用电脑，它可以为其提供低成本的帮助。
5. The removal of dams remains controversial because of high restoration costs, loss of low-cost electricity, and the loss of water storage facilities. 大坝的拆除仍然存在争议，因为高重建成本，损失低成本电力，以及损失蓄水设施。
