It's very complicated to explain.

But the world is highly complicated

Now this is a very complicated struggle.

It's too complicated to explain.

Now, malaria is an incredibly complicated disease.

But he was born into a pretty complicated world. And as a dad, I want him to grow up in a better world than I did.

They are not as simple as that, it's all mixed up.

The heart has its own very complex nervous system, sending information to the brain in the head.

It is complex. Space is complex.

An organism is a complicated, living thing, which requires the proper functioning of multiple organ systems to maintain stability.

And the reason why I didn't show this to you initially is because this looks very complicated.

Now, we talk about function inverses, well I don't want to get too complicated.

If you realize it looks like something fairly complicated, but we just use the chain and the product rules.

You have no idea what someone's going to cough into a cup, and it's probably really complex, right?

Nearby there's a French bunker, and the whole tunnel system is so complex that the two parties never met.

And by that, what they mean is rocket science is really complicated and this problem that we're talking about now is really simple.

Crazy number.

This is complicated.

These past years have made us understand that development is of a very complex nature and that it is not enough to promote simple economic growth.

Ethics is hard.

It was very complicated!

It's such a complex project.

It's a complicated project.

It's a very complex interaction.

The rope is caught.

Hence, the interplay between local and central governments is complex, particularly in terms of revenue sharing and responsibility for providing public services.

It's difficult and it's complex.

And the retina, of course, is a complex structure.

That's actually a little bit complicated.

Not a complicated thing.

It's immensely complex.

This is a little more complicated.

This looks like a really complicated thing.

It's a little overwhelming.

No,No,No, That's A Compliment.

This is a pretty complicated business.

The clasp is a bit tricky.

Priestley and other Lunar Society members argued that the new French system was too expensive, too difficult to test, and unnecessarily complex.

That then gives you an access to explore the biological mechanisms and forces that are responsible for this gradual change that made us what we are today.

What I hope you think, is that bacteria can talk to each other, they use chemicals as their words, they have an incredibly complicated chemical lexicon that we're just now starting to learn about.

In particular, the promotion system is thought to be unduly complex, with meritorious staff members often having to wait years for their outstanding service to be recognized.

But we can get virtual patterns, and compare them to our observed result which is a very complex mixture and come up with some sort of score of how likely it is this is a rhinovirus or something.

Achieving this objective is complex.

That was hairy.

So, you know, it's sort of a complicated thing.