英语翻译RT翻译成英文：人不牺牲掉点什么就什么都得不到为了得到什么东西就必须付出同等代价那就是 炼金术（名词,可不做翻译

没有付出就什么也得不到,要想得到什么就必须付出同等的代价,这就是炼金术的等价交换原则,那个时候我们深信这是世界的真理.
There is nothing can be gained if there is no paying ,something that we want to get must be exchanged with equal price that we expending .It is the equally exchanged principle of alchemy ,we deeply believed the truth of world at that time .

The human does not sacrifice drizzles any anything not to be able to obtain to obtain any thing to pay the same level price