Subtract four from nine and you have five.九减四得五.The little girl has begun to learn to add and subtract.这小女孩已在学做加减法了.If you subtract 6 from 9, you will have 3.九减六等于三....
总的来说，当今的老年人依然相对贫困。As a group, today's old people are still relatively deprived.我们通常以为被拦路抢劫的受害者是老年人。We usually think of a victim of mugging as being someone elderly.越来越多老年人的资金全让房子给套牢了。More and more old people have ca...