1、A manifestation of something is one of the different ways in which it can appear. 表現
例：Different animals in the colony had different manifestations of the disease.
同壹群體的不同動物對同壹疾病有不同的表現形式。
2、Presentation is the appearance of something, that someone has worked to create. 外觀
例：We serve traditional French food cooked in a lighter way, keeping the presentation simple.
我們提供傳統法國美食，風味清淡，外觀簡潔。