This is because products are developed to meet the widest possible need; when individual users face problems that the majority of consumers do not, they have no choice but to develop their own modifications to existing products, or entirely new products, to solve their issues.
這是因為產品是為滿足最廣泛的需求而開發出來的；當個別用戶遇到了大多數消費者沒有遇到的問題，這些用戶別無選擇，只有發展出現有產品的修改，或全新的產品，來解決這些問題。