Sample and Example: How are they different?

Jorrakay (Thailand): Sample and Example, How are they different?

Mark: Well a sample is something you can try. You can taste it, or try using it

Jorrakay: When we go to the theatre, we can see the short movie, it should called a sample movie or example movie?

Mark: We don't use sample or example like that. We call that a movie "preview". An example is used to show how something might be used. Like an example sentence using vocabulary you just learned.