Help me translate the following articles into Chinese

All countries in the world have one thing in common, all people, young and old, must use it, it is a second language for everyone, it is easy to understand, although you have not heard of it, it is also a symbolic language.

When you wave to your friend, you're using symbolic language, when you smile at someone, you mean friendly, when you raise your hand in class, you mean, "Please ask me, I know the answer." "When you put a finger between your mouth, you mean that:

Please be quiet. "Deaf people use signal language to communicate, and even universities in the United States that are dedicated to deaf people, and there are also deaf and dumb television programs for them, which also use signal language to communicate.

This is a translation by me, so I must give it extra points!!

There is a common language for every country in the world. The people of the whole country, old andyoung men and women use. It's a second language for everyone.

It's easy to understand, but you don't know. It's sign language. When you're a friend of the waves, you use sign language.

When you laugh, you mean friendly. When you put your hands on the class, you say:"Please ask me.

I know the answer. \"When you put a finger in front of your mouth, you mean"Quiet".Deaf people use sign language to converse.

Unibersity even has deaf people in the United States. There is also the TV show Deaf. They use sign language to all.

Every country in the world has a common language. Everyone, young and old, uses it. It's everyone's second language and it's easy to understand, even if you don't hear it.

That's body language. When you wave to a friend, you're using body language. When you smile at someone, you mean friendly.

When you raise your hand in class, you're saying, "Ask me, I know the answer." When you put a finger in front of your mouth, you mean "quiet". People who are deaf use body language to communicate with others.

There is a center for the deaf in the United States. There are also TV shows for the deaf. They use body language to tell people everything.

In all the countries of the world, there is a common language. All people, old and young, men and women, use it. It is a second language for all. It's easy to understand, although you can't hear it. This is sign language.

When you wave to a friend, you are using sign language. When you look at someone smiling, you express friendliness. When you raise your hand in class, you're trying to say:

Ask me, please. I know the answer. When you put a finger up on your lips, you want to say "Quiet!".

People who are hard of hearing use sign language to talk to other people. There is even a university in the United States dedicated to them. There are also TV shows made for them. They use sign language to tell everything.

There are many benefits to smiling. It not only makes itself happy, but it also delights others. If we smile at life, then in turn, life will smile at us. So I try to smile at every moment and everywhere I can.

First of all, I want to smile at my parents, because they gave me life and raised me against all odds. They arranged almost everything for me. With their help, I have made a lot of progress.

I'm going to smile and say "thank you" to them. Then, I should smile at myself, because only then can I gain greater self-confidence, go and use my smile to drive away all worries and live a better life.

Finally, let's greet each day with a smile. Tomorrow will be a different story.