How do we know one thing or process is more complex than another?

我们怎么知道一件事物或一个过程比另一样更复杂呢？

youdao

But I know one thing for sure -i don't want to be seen as typecast.

但我可以肯定一件事：我不想给自己定型。

youdao

The sheer joy of these moments is hard to put into words, but I do know one thing: I want them to happen again.

这种时刻纯粹的乐趣是无法用语言表描述的，但我却知道一件事：我想要它们再次发生。

youdao

Myra Olmeda is the teacher. "So what happens is when these both groups together, they're learning,you know, one from the other -- which is the greatest thing that is happening."

VOA: special.2010.06.17

I'm missing something. Oh, we already know one thing. We already know this guy here.

我漏一些东西，哦，我们已经知道了,一样东西，我们已经知道了这个东西。

麻省理工公开课 - 热力学与动力学课程节选

It's one thing to plug in all the numbers and say, "I know Newton's laws and I know how they work."

我们平时只是把数字代进公式,然后说,"我懂牛顿定律,也知道怎么使用"

耶鲁公开课 - 基础物理课程节选

You know, the American people, I know one thing about them, they value their freedom.

MSN: December 23: Wayne LaPierre, Chuck Schumer, Lindsey Graham, Jason Chaffetz, Harold Ford Jr., Andrea Mitchell, Chuck Todd - Meet the Press - Transcripts | NBC News

But we all know one thing about New York: under any circumstances, New Yorkers are tough.

FORBES: In The Eye Of The Storm, Entrepreneurs Band Together

For that lesson, we need only know one thing: the train is already pulling out of the station.

FORBES: Opportunity Knocking