That is what is called easy money, but easy come easy go.

所谓倘来之物，易来易去。

《新英汉大辞典》

The result is code that is easy to unit test, easy to substitute, easy to maintain, easy to change, etc.

这样得到的代码更易于做单元测试、易于替代、易于维护、易于修改等等。

youdao

Without such restrictions, people tend to pick passwords that are easy to remember, easy to type--and easy to guess.

没有此类限制，人们倾向于选择易记、易打同时也是易猜的密码。

youdao

But you must be careful. It is easy to get lost in the waves of moving sand especially during sandstorms.

VOA: special.2010.01.04

It's easy for us to say that it was Milton's memory that facilitated his grasp of the Christian and the classical traditions.

我们也可以轻易地说那是弥尔顿的记忆,使他对于基督教和经典传统的理解更为容易了。

耶鲁公开课 - 弥尔顿课程节选

Well, not everybody, but everybody can use to keep emails safe, just like sort of a really easy thing to do.

嗯，不一定是所有人，但是每个人都可以轻而易举地用这种密码来保证自己邮箱的安全，

积极参与俱乐部活动 - SpeakingMax英语口语达人

Faithfull's latest album, Easy Come, Easy Go, is a collection of surprising and moving covers.

NPR: Marianne Faithfull, Felice Brothers In Concert

Chromebooks are attractive to schools because they are cost-effective, easy to manage and easy to use.

FORBES: Google In Education: Chromebooks A 'Right Time Technology' For Passaic, New Jersey School District

It's easy to maneuver and easy to dock, and it turns on a dime.

FORBES: Magazine Article