The song is about fearlessly loving someone no matter the cost.

VOA: special.2010.06.25

He says it is true that such crops can have higher output with less cost,but added: No one knows the consequences that will have on soil fertility and the human body.

VOA: special.2010.05.18

"The scheme to radically change the sources and the cost of American energy, through a system known as 'cap and trade' may be well intentioned, but it will cost us dearly in jobs and income, and it stands no chance of achieving its objective of a cooler earth,".

VOA: standard.2009.05.30