Cách sử dụng
The expression "split off" means to separate or divide a part from a whole. It is commonly used when referring to separating a portion of a group, organization, or larger entity from the rest. For example, a company may "split off" one of its departments into a separate subsidiary. In everyday life, we may "split off" from a group of friends to go do something else separately. So, the expression is used when there is a need to take apart a smaller portion from a larger group.