She is the apple of his eye.

The freedoms of the air are a set of commercial aviation rights granted by international agreements.

The captain ordered the ship to bear off from the dangerous rocks.

Opening up that topic is like opening a can of worms.

The company developed a proof of concept for their new product.

He felt like a fish out of water at the party.

The law of diminishing returns states that as more units of a variable input are added to a fixed input, the marginal product of the variable input will eventually decrease.

I need to buy a new piece of furniture for my living room.

The home run in the bottom of the ninth won the game for the team.

The law of diminishing marginal utility states that as a person consumes more units of a good, the additional satisfaction or utility derived from each additional unit of the good decreases.