elimination of customs barrier

例句：

1. 1. Thecompany's elimination of theold system was a major step forward.
   该公司淘汰旧系统是一个重要的进步。
2. 2. The teamdecided to eliminate some members from the lineup.
   团队决定从阵容中剔除一些成员。
3. 3.The elimination of carbon dioxideis essential for the environment.
   二氧化碳的消除对环境至关重要。