1.The world's largest education publisher, Pearson, has said it will gradually phase out printed textbooks.
phase out逐步淘汰
They said the present system of military conscription should be phased out.
他们说,当前的征兵体系应当逐步废除 。
2.He said this model has dominated the industry for over four decades and is now past its use-by date.
use-by date 有效期
People often stick with things that are well past their use-by date.
人们常常对已经过了保质期的东西不离不弃 。