Sometimes, by buying something cheap now, you will be costing yourself more in the long run.
有时候你花了很少钱买了便宜货,但它日后可能要花掉更多的钱。
It's about a time when there were black slaves in North America. It's about their fight for freedom.
(它)讲的是有一段时期,北美洲存在黑奴。影片讲述他们为自由而斗争的情况。