Trade theories,Local content requirement,tangible / intangib

Trade theories,Local content requirement,tangible / intangib content Local what a great gift he had for trade with local products! _he had for trade with local products为什么选what a great gift而不 requirement是什么意思 western literary theories是什么意思 Something tangible and real中文意思 content是什么意思 content意思 英语翻译$content content 是什么