充分运用网上搜索。 在主要的的搜索引擎上实施关键词优化，比如Google, Yahoo and MSN。

Search online - Using your keywords list, execute some searches on the major search engines - Google, Yahoo and MSN.

youdao

警察的工作主要都是按常规的。

Police work is mainly routine.

《牛津词典》

交谈的主要话题是汤姆的新女友。

The main topic of conversation was Tom's new girlfriend.

《牛津词典》

What was neat about it is before that time, the predominant species to use for air conditioning or refrigeration was ammonia.

在这之前是很整洁的，之前最主要的用于空调或者冰箱的,物质是氨。

麻省理工公开课 - 固态化学导论课程节选

When I say dirty, I am referring mostly to like a graffiti. There's a lot of graffiti on walls, on buildings.

我说的脏，主要指的是涂鸦。大楼墙上到处画满了乱七八糟的涂鸦。

哈莱姆很独特 - SpeakingMax英语口语达人

Now, the concept of ritual impurity was a central and integral feature of most, if not all, ancient religions.

现在，仪式上的不洁已经是大部分宗教,主要的，整体而言的特点。

耶鲁公开课 - 旧约导论课程节选