불필요【不必要】
ненужность
不必要하다 ненужный
不必要한 인력 ненужные рабочие кадры
"The more things change, the more they are the same." Alphonse Karr
"Everything that is beautiful and noble is the product of reason and calculation." Charles Baudelaire
"The best way to keep your friends is not to give them away." Wilson Mizner
"Silence is the mother of truth." Benjamin Disraeli