enjoy的形容詞性是？

　　The second most important factor was having work that is enjoyable.

　　第二重要的因素是擁有令人愉快的工作。

　　In fact, it's often easier to save on essentials than on enjoyable extras.

　　事實(shí)上，在必需品上省錢(qián)往往比在令人愉快的附加品上省錢(qián)更容易。

　　We need to change the way we teach engineering to make it an enjoyable experience for students.

　　我們需要改變教授工程學(xué)的方式，讓它成為學(xué)生們一次愉快的經(jīng)歷。