It knows the object and doesn't need to keep passing references to it.

它知道对象而且不需要保留对它的引用。

youdao

Why do they keep passing back to the goalie?

他们为什么总是把球回传给守门员？

《牛津词典》

But an even more positive step would surely be to keep our computers in circulation longer by passing them on to someone else - or so we are often told.

但是，一个更加积极的步骤想必会让旧电脑运行得更加长久，就是像人们常说的那样——把它们送给别人去用吧。

youdao

We can't keep shifting a growing burden to future generations. With each passing year, health care costs consume a larger share of our nation's spending, and contribute to yawning deficits that we cannot control,".

VOA: standard.2009.06.13

And know that, as I always say, you got to keep passing it on.

WHITEHOUSE: Poetry Student Workshop at the White House

He had to eat constantly to keep from passing out, so his physician suggested he consult an endocrinologist.

FORBES: The Unknown Epidemic

In many cases, the first aider can use mouth to mouth resuscitation techniques to keep the air passing in and out of the lungs.

BBC: Minutes matter