You must have experience in this field.

Or you must have a certain foundation before trying.

If you can talk.

A string of nice words

Blessing sentence

You also need to know the wedding process and some rules.

Every place has different rules.

Don't take other people's opportunities.

The point is that you have to improvise.

It doesn't mean that the wedding will be happy.

There are many unexpected situations.

You must improvise.

And a greatest show on earth.

Create an atmosphere and so on

This is not an easy job.