This painting is very valuable.

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

We should cherish friends who share our values.

We will hold a meeting to make a new business plan.

We made plans for the picnic next week.

Tomorrow's flight has been cancelled as planned.

Tomorrow's flight has been cancelled as planned.

There is a planned blackout tonight, so please come home early.

He is systematically advancing his work.

The era of the current emperor was peaceful.