major function

基本解释

I've left recruiting for last because it can be, but is not always a major function in smaller companies.
我已经离开了招募工作，因为它可以是，但并非总是较小公司的主要功能。
A major function within the Portfolio Management domain is the exercise of regular reviews for entire portfolios, collections of initiatives, or individual initiatives.
项目组合管理领域中的主要功能是执行对整个项目组合、计划集合，或个别计划的常规审查。
Therefore, if recruiting is a major function, it may be in the company's best interest to have a professional recruiter and another employee to handle all the other functions.
因此，如果招聘是一个重要的职能，符合该公司的最大利益的做法是，有专业的招聘人员和另一名雇员来处理所有其他职能。

"Health and hospitals are basic areas of well being, lets say,that when a major disaster or a smaller disaster occurs, if you do not have health facilities that function and can respond to the needs you create yet another level of disaster,".
This has been one of the major reasons for explaining the function of the phalanx as I will explain it to you.
而我下面所要解释的方阵的作用,也就是问题的答案
耶鲁公开课 - 古希腊历史简介课程节选
I put it there because, well, I think the major chain bookstores fulfill an important function but I also like to support independent bookstores.
我推荐这个书店是因为,我认为,虽然主流的连锁书店,起到了很重要的作用,但是我仍然想支持一下独立书店
耶鲁公开课 - 金融市场课程节选

If you are at a media - or if you are at a major function and you're a media member and somebody is doing something that seems outrageous, in many respects it's almost your job to report on that.
NPR: Health Care Debate: Why So Much Yelling?