Management guru Drucker proposed a modern management method, that is, target management. He believes that goals are not only assigned by managers, but also need to be recognized by the managers. Only in this way, difficult tasks will not be employees. Rejected and Avoided. What does this sentence mean? ['Drucker proposes a goal management approach.', 'Goals are determined by managers.', 'Managers and managers should agree on goals.', 'Work should not be difficult, otherwise, employees will refuse.']