Just understand that I can now tell if a user is logged in, without invoking the Rails framework.

可以这样理解：无需调用Rails框架，我就可以判断用户是否登录。

youdao

You may need to memorize facts or just understand the basics. You might need a broad conceptual base, or just skills.

记忆事实、理解原理、掌握技巧概念。

youdao

Typically, it meets with the business to just understand the requirements and then they run off to their LABS and develop the solution.

通常，IT去找业务的目的只是为了理解需求，接着他们就会开始试验，开发解决方案。

youdao

MAGGIE: "Mom,you have to leave her alone." DAPHNE: "Fine,but I just want you girls to understand something about motherhood.

VOA: special.2009.05.04

We just understand that it's a numbers game.

我们知道那只是个数字游戏。

旧金山的售货员 - SpeakingMax英语口语达人

Their argument is that it's not just that consciousness doesn't clearly understand what it's looking at and is therefore alienated from it.

他们的论点是,意识不仅无法清楚地理解它所观之物,因而与之疏远。

耶鲁公开课 - 文学理论导论课程节选

And just understand this: If we win enough precincts, we will win this state.

WHITEHOUSE: Remarks by the First Lady at a Campaign Event

Just understand how sectors tend to wax and wane over a full economic cycle.

FORBES: Watch your sectors

Of course it is not enough to just understand the process of creativity or even master it.

FORBES: The Prisoner's Dilemma: The Key to Creativity