The song is about leaving the big city for the countryside, going home again after a long time away.

VOA: special.2009.11.09

And, in fact, you should stop noticing it after it's been in the environment for long enough.

事实上，如果它在环境中出现的时间足够长久的话,你就不该再去一直注意它了。

耶鲁公开课 - 心理学导论课程节选

It affected me quite a bitbecause I was out of work for a long time after that.

它也对我影响很大，因为那个事件以后，我失业了很久。

911事件的影响 - SpeakingMax英语口语达人

After one gathering, several men surrounded her and talked for a long time.

VOA: special.2009.05.10

Anybody If you have withdrawals after eating a certain type of food for a long time.

有人回答吗,当你长期吃某种食品,某天你不吃了

耶鲁公开课 - 关于食物的心理学、生物学和政治学课程节选

After long debate, Congress finally approved territorial government for Oregon.

VOA: special.2009.03.05

And though I now sink out of view and shall be forgotten, I believe I have made some marks which will tell for the cause of civil liberty long after I have gone."

VOA: special.2009.06.11

"Speaking for the United States, our civilian commitment will continue long after our combat forces leave.

VOA: standard.2009.12.05