The first and most important function is the antivirus scan.

该应用第一个，也是最重要的功能，就是病毒扫描。

youdao

This should be your first and most important bill every month.

这将成为你每个月最初的也是最重要的账单。

youdao

The first and most important step is to model all your resources as URLs.

第一个（也是最重要的）步骤是把所有资源建模为 URL 形式。

youdao

The first,and perhaps most important, is whether to bury the body or cremate it.

VOA: special.2009.12.11

And that was the most important thing for him." Abdul-Jabbar said at first he felt this was too good to be true, but he said he realized it was not after a month or two of seeing Wooden at work.

VOA: standard.2010.06.05

The first and most important of my Twelve Personal Commandments is to Be Gretchen.

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Controlling who can get to it is the first and most important part of due diligence.

FORBES: Cloud Computing Hides Big Issues In Corporate Data Sharing

First and MOST important CLARIFICATION, Steve WOZNIAK engineered and designed the First Apple Computer.

FORBES: Steve Jobs' Innovator Idol