A worldwide effort is needed to understand changes in all parts of the world.

The more citizens understand and support this effort, the better its chances of success.

To understand recursion you first need to understand recursion.

'Oh no!' replied Vronsky, as if it cost him an effort to understand. 'If you don't mind, let us walk up and down.

Tom made no effort to apologize.

Hard to understand.

Try to understand.

Try to understand.

Try to understand.

Try to understand.

But the effort needs to start now.

It takes effort. You need to think.

Significantly, labor is adding to the effort.

The effort has also expanded to Facebook.

Amy made an effort to stand up.

Languages take time and effort to master.

Public protest effort

Make an effort.

I don't understand this. I don't pretend to understand this.

Try to understand me.

I'm beginning to understand.

I need to understand.

Help me to understand.

Help me to understand.

Tom tried to understand.

Tom tried to understand.

Tom began to understand.

You seem to understand.

You're hard to understand.

It's easy to understand.

Tom wanted to understand.

Please try to understand.

Try to understand me.

Try to understand me.

Try to understand me.

Try to understand me.

Try to understand this.

Try to understand this.

There's nothing to understand.

It's hard to understand.

Tom seems to understand.

I'm trying to understand.

It's difficult to understand.

And we encourage anybody to join this effort.

I will make every effort to get it.