He usually smears butter on the bread.

She is my bosom friend.

He always confides in me about everything.

Knowledge is the key to unlocking the door of success.

Tri kỷ is a close and trustworthy friend.

We are grateful for your help.

Voters determine the strength of a country.

The Triassic is an important geological era in the history of the Earth.

County magistrate is an important position in the history of Vietnam.

Human perception is influenced by many different factors.