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

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