The rise of Hankou's modern western architecture has a direct correlation with the fact that Hankou was once a trading port as well as a foreign concession.

汉口近现代西式建筑的兴起，与汉口成为通商口岸、汉口外国租界的开辟有着直接的关联。

youdao

It includes restrictions on trading port, practicing on foreign firm system, restricting the business of foreign trades, limiting the quantity and sorts of export goods.

限制通商口岸、实行洋行制度、限制外国商人行动、限制出口物种与数量。

youdao

As the accredited port of entry for Iraqi food supplies, Aqaba is now a major trading centre attracting foreign companies such as rice and wheat distributors from Australia.

BBC: Jordan hopes for economic upturn