They extract the vitality from one victim after another,but while they prosper and grow interesting,those upon whom they live grow pale and dim and dull.

• 他们把一个又一个牺牲者的活力吸净，但是当他们越发生机勃勃，兴致盎然之时，那些被榨取的人却变得越来越苍白、黯淡和迟钝。