当前分类下找不到"it+started+with+rachel+carson's+popular+1962+book+on+the+dangers+of+pesticides,+"silent+spring,+"+and+the+eye+on+the+planet+increased+with+a+photo+of+the+earth+taken+from+apollo+8+as+it+orbited+near+the+moon+in+1968.+"的例句。