这句话太绕口了,谁帮忙翻译一下Oneofthecontributionsofthispaperisthatitconsidersageneralempirical（经验）model（一般经验模型）foralargesampleof（大样本）countriesthatjointlyincludestypicalgravity

Question

这句话太绕口了,谁帮忙翻译一下
One of the contributions of this paper is that it considers a general empirical（经验） model（一般经验模型） for a large sample of（大样本） countries that jointly includes typical gravity variables the past volume of trade and capital stocks, thus leading to more robust estimates.

Answer 1

本文的贡献之一是认为一般大样本的国家联合包括典型的重力变量的过去的交易量和资本存量的经验模型,从而导致更可靠的估计.