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。











