The passage is mainly to share a personal experience.

这篇文章主要是分享个人经历。

youdao

Their work is mainly to make sure that the transmissions run smoothly without any interruption.

他们的工作主要是确保传输器工作流畅，无中断。

youdao

While this tutorial is mainly to show you how easy it is to configure and develop a JSF portlet, I will also be revealing the new JBoss Portlet Container 2.0 and some of it’s cool new features.

本教程将主要向你展示配置与开发JSF portlet是多么容易的一件事情，同时还会介绍新的JBoss Portlet Container 2.0及其一些很酷的新特性。

youdao

Deforestation is mainly caused by the cutting down of tropical forests to provide land for agriculture.

VOA: special.2010.04.06

It probably is at least in part, but mainly it is probably intended to be fiction or fictionalized biography.

最少一部分是，可是结果大相径庭,大篇都是虚构或文学小说化了的自传。

耶鲁公开课 - 1945年后的美国小说课程节选

The study of immunology is the study of mechanisms that your body uses to protect itself from mainly from foreign pathogens like viruses and bacteria.

免疫学研究身体,采用何种机制来保护自身,免受外源病原体如病毒和细菌的伤害

耶鲁公开课 - 生物医学工程探索课程节选

So the diplomatic approach the Bush administration is taking is mainly to encourage countries to consider some sanctions.

NPR: United States Pushes U.N. for Action Against Iran

Her objection is mainly to the way meat is produced, not to the idea of eating an animal.

BBC: The rise of the non-veggie vegetarian

Mr Erdogan's supporters insist that the government's inertia is mainly to do with municipal elections being held next March.

ECONOMIST: Turkey