1.四字格的优点：

内容上言简意赅、形式上整齐均匀、音韵上顺口悦耳

2.四字格的运用（英译汉）：

The youngest of the Rocky Mountains, the Teton Range is a spectacular sight. Enhanced by glaciers, deep canyons, snowfields, and lakes, the range shoots up suddenly, with no foothills around it.

作为落基山脉中的小字辈，特顿山脉气势恢弘。它拔地而起，绝壁凌空，冰川映雪地，高峡出平湖，风光绮丽，景色壮观。