Englishfor English speakers
approximation
Noun
—
An approximation is an educated guess.
of
Preposition
—
Made using.
It is a house of cards.
policy
Noun
—
A policy is an official rule or idea that explain how to act in certain situations.
The college policy is that teachers may not have any sexual relationship with students.
The government is suggesting a significant change in economic policy.
In at least one case there was a deliberate policy decision not to involve the police.
The policy at the movie theater said we should turn on phones off and be quiet, during the movie.