enjoy的形容词性是？

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

　　第二重要的因素是拥有令人愉快的工作。

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

　　事实上，在必需品上省钱往往比在令人愉快的附加品上省钱更容易。

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

　　我们需要改变教授工程学的方式，让它成为学生们一次愉快的经历。