Combining arterial street traffic with local traffic might be better than a freeway, but the scale of Buenos Aires only just.

将主干道交通与当地交通结合起来可能比高速公路更好，但布宜诺斯艾利斯的规模也仅仅如此。

He went to the coast of Africa and bought Negroes, combining his traffic in human flesh with that of other merchandise equally advantageous to his interests.

他去了非洲海岸，收购了黑人，将人肉交易与对他的利益同样有利的其他商品交易结合起来。