Firstly, ambition plays an essential role because it serves as a driving force for people to achieve success.

首先，志向起着至关重要的作用，因为它是人们取得成功的动力源泉。

These circular buds have played an essential role in the Native American diet for a long time.

很长一段时间里，这些圆形的蓓蕾在美国本土的饮食上有着举足轻重的作用。

This approach is based on the essential role the suprasegmentals play in speech perception.

这种方法是基于超音段特征在言语感知中的重要作用。

We appreciate the essential role you play.

我们对你们发挥的重要作用表示感谢。

Friends play a very essential role in our daily life.

朋友在我们日常生活中扮演着非常重要的角色。