Only when leaders care about the needs of employees, employees can go all out to work. ". From this, we can know? ['After the leaders care about the needs of the employees, the employees will go all out to work.', "Workers don't work hard because their leaders don't care about him.", 'Leaders do not care about the needs of employees, and employees will not go all out to work.', 'Employees work hard, just because the leader cares about him.']