영어 뉴스 듣기 썸네일형 리스트형 전자 종이의 시대가 온다 Taking the Paper Out of Morning Paper Reading the front page over a cup of coffee might be headed in a digital direction.On this week's "Eco Solutions,"Frederik Pleitgen shows us how engineers are putting a new twist on the morning paperand how this new gadget might help save trees around the world.Four billion.That's an estimate of how many trees are cut down every year to make paper products.G.. 더보기 이전 1 다음
