A couple two tree - Used to explain an amount of anything.

The above can be used to explain the past and predict the future.

"And the weather can be used to explain only part of it."

Race has been used to explain the absence of research.

This was the story she had decided to use to explain her absence.

Supply and demand is an economic model used to explain price changes in a market.

This was used to explain the importance of how every child is entitled to a home.

Similar stories are used to explain the phases of the Moon.

What possible excuse will she use to explain the nightmare of his early years?

Now, the trade agreement is no longer being used to explain the dollar's movements.