Yes, they're more friendly than you think.

　　是的，他們比你想象的還要友好。

　　It is easy to use and makes conversations more friendly.

　　這樣可以很容易把對話變得更友好。

　　When you smile, you look more friendly and approachable.

　　微笑的時候，你看上去更加友好，更加平易近人。