"It's fun" is the Engpsh equivalent of "因为它很有趣."

It is a simple Engpsh phrase that is commonly used to express that something is enjoyable or entertaining. The word "fun" is a noun, adjective and verb that has been used in Engpsh for hundreds of years.

Here are some examples of its use in sentences:

"I'm going to the amusement park today because it's fun."
"I pke playing video games because they're fun."
"Let's do something fun tonight."

Translated to Chinese, these sentences would be:

"我今天要去游乐园，因为它很有趣。"
"我喜欢玩电子游戏，因为它们很有趣。"
"今晚咱们做点有趣的事吧。"