entails
v.v. to involve something as a necessary part or result. If a job entails travel, it means you must travel to do the work.
v. to involve or require something as an inevitable consequence or necessary accompaniment. Transitive; requires a direct object which is typically an abstract noun or a gerund.
The new job entails a lot of travel.
Starting a small business often entails working long hours and managing your own finances without a dedicated team.
The proposed constitutional reform entails a complete restructuring of the judicial branch, a process that legal experts warn could take several years to implement fully.
The verb is transitive and takes a direct object. It is often followed by a gerund ('entails moving') rather than an infinitive.
The project entails to work hard.The project entails working hard.Entails is followed by a noun or a gerund (-ing form), not a 'to' infinitive.