1. (尤指不愉快事件的)促成因素，原因之一 You can use contributor to refer to one of the causes of an event or situation, especially if that event or situation is an unpleasant one.
e.g. Old buses are major contributors to pollution in British cities... 破舊的公交車(chē)是造成英國城市污染的主要因素。 e.g. All this can lead to divisive family arguments to which guilt is a major contributor. 所有這些都能導致家庭意見(jiàn)不和，而內疚是其中的主要因素。
contributor英英釋義
noun
1. a writer whose work is published in a newspaper or magazine or as part of a book
2. someone who contributes (or promises to contribute) a sum of money