Archival research confirms that Europeans were not merely dependent on the work of porters, soldiers, translators, cooks, pilots, guides, hunters and collectors, they also relied on local expertise.

档案研究证实，欧洲人不仅依赖于搬运工、士兵、翻译员、厨师、飞行员、导游、猎人和收藏家的工作，他们还依赖于当地的专业知识。