拉各斯是尼日利亚人口最多的城市，也是西非重要的商业中心。

___Lagos is the most populous city in Nigeria and a major commercial hub in West Africa.

拉各斯是尼日利亚人口最多的州，也是该国的经济中心。

___Lagos is the most populous state in Nigeria and serves as the country's economic hub.