I do not know whether you realize it, but this condition is essential to us.
我不知道你是否了解,但是,这个条件对我们是必要的。
However, boxing was very crude, for these were no rules and a prizefighter could be seriously injured or even killed during a match.
不过,拳击是十分野蛮的,因为当时没有任何比赛规则,职业拳击手有可能在比赛中受重伤,甚至丧命。