纳什维尔是一个进口港和主要的商业中心。

Nashville is a port of entry and major commercial center known especially for its music industry. Population, 488,374.

靠近进口港的一个商业或工业区，对于贸易区内进口的商品和原材料不收取海关收费或关税。

A commercial or industrial area near a port of entry where merchandise and raw material imports are not subject to customs charges or duties.

美国食品与药品管理局的指导方针，是帮助联邦与州的检查人员到各进口港和全国的亚裔社区商店去检查有无从中国进口的污染食品。

The FDA guideline is meant to help federal and state investigators checking for contaminated foods from China at ports of entry and in Asian community groceries around the country.