determinant
n, adj (fml 文) (thing) that determines or decides how or if sth happens 决定因素; 决定性的
The main determinant of economic success is our ability to control inflation. 经济方面的成就主要取决於我们控制通货膨胀的能力.
Do you remember one afternoon ten years ago when I came to your house and borrowed a necklace of yours? Pierre, my husband, was working in a government office. We'd been invited to a ball at the palace so I needed to borrow some jewellery.