The complementer of the sentence is an important part of grammar.

The students' achievements are absolute complements to their hard work.

Radix complements are used in computer science to represent negative numbers.

The teacher explained the concept of ones' complements to the students.

Two's complements are used in computer systems to represent negative numbers.

I have three cats.

There are many logical complements in this theory.

The orthogonal complements of the subspaces are mutually perpendicular.

The teacher explained the concept of pseudo-complements to the students.

The relatives brought complements to the party.