I think you probably know China has adopted a flexible policy in her foreign trade.
我想你也许已经了解到中国在对外贸易中采取了灵活的政策。
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。