我们的客户主要地来自欧洲。

Our clients mainly come from Europe.

他主要地关注环境问题。

He mainly focuses on environmental issues.

熊猫的饮食主要地由竹子组成。

The diet of pandas consists mainly of bamboo.

这个项目主要地由志愿者完成。

The project is mainly completed by volunteers.

这本书主要地讲述了历史事件。

This book mainly talks about historical events.

她主要地在家工作。

She mainly works from home.

这本书主要地讲述了古代文明的历史。

The book is mainly about the history of ancient civilizations.

她主要地在家工作，但偶尔也去办公室。

She mainly works from home but occasionally goes to the office.

这个项目主要地集中在提高客户满意度。

The project is mainly focused on improving customer satisfaction.

这个地区的天气在夏季主要地是晴朗的。

The weather in this region is mainly sunny during the summer months.