问题描述：
英文高手进!帮忙翻译一下这个句子,看不明白啊.
"Trace the collapse of the cod fishing industry in atlantic canada by examining the causes and the social and economic issues involved. "
"Trace the collapse of the cod fishing industry in atlantic canada by examining the causes and the social and economic issues involved. "
问题解答：
我来补答展开全文阅读