签订合同（为某公司或某人工作）;有合同约束
to have formally agreed to work for a company or person on a stated job for a stated period of time
They used independent miners who worked under contract with the mining companies.
She currently has three books under contract.
He isn't under contract to the film studio, so he may not work on the next movie.
The team announced that Little will remain under contract for the rest of the season.
Ticketing is handled by a private company under contract to the council.
See also: contract noun