The North American shale gas boom has resulted in record low prices there.
北美页岩气的繁荣导致那里的价格创新低。
2
Yet, during the economic boom, interest rates are always low with respect to people's earnings expectations for the future.
而在经济繁荣的过程中，利率相对于人们对于未来收益的预期来说，一直都是低的。
3
Still, the fed seems to have contributed to the booming demand for housing and other assets by keeping the federal funds rate artificially low during the boom years of 2003-05.