Englishfor English speakers
perfection
Noun
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Perfection is the state or quality of having no mistakes, problems, or negative aspects.
I don't expect perfection from teachers, but I do expect honesty and hard work.
The painting represents an ideal of human perfection.
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Perfection is the process of making something perfect.
In the perfection of the show, a number of significant changes were made.
factor
Noun
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A factor is one of a number of things that causes a result.
The main factor in the success of our program is our excellent teachers.