Well here is a passage from a letter from a gentleman to his friend in Adumbral that Hume wrote in 1775.
这里有一段文章,是休谟于1775年写给他在阿杜巴拉一位朋友的书信。
The context of this was that Hume was applying for a chair in moral philosophy at Adumbral and the clergy at Adumbral was very much against him.
内容是休谟向阿杜巴拉大学申请道德拉哲学教授的职位,但是阿杜巴拉的神职人员对他非常反感。
Aiming at the choosing of the form and the material, give and explain the suggestion based on the general choice to the architectural adumbral system on the different conditions.