This lake is very deep.

His eyes were filled with deep sorrow.

There are various types of plants in my garden.

He says 'knowledge is power' and studies hard every day.

He is widely recognized as an intellectual in that field.

Did you know this trivia?

In Marxism, surplus value refers to the part of the value produced by workers, excluding the part necessary to maintain their own livelihood.

By learning a one-line fact every day, your knowledge will increase.

The utility value of this app is very high.

He has a wealth of scientific knowledge and is always excited about new discoveries.