That means a higher proportion of what is in the sea is bein

That means a higher proportion of what is in the sea is being caught,so the real difference between present and past is likely to be worse than the one recorded by changes in catch sizes.这意味着更高比例的海洋生物正在遭到捕获,因此今昔之间的真正差别可能比通过捕获量的变化记录的差别更大.中文翻译好拗口啊,我怎么理解不了他要表达什么啊.晕死了.