Natural resources, unlike output created by human endeavor, yield large "rents", which are rewards in excess of effort.
自然资源不同于那些人类劳动创造的产出，会带来大笔的“租金”，即超额付出的奖励。
2
The spread (excess interest rate) paid by high-yield borrowers is only around half a percentage point lower than it was at the height of the crunch.
高收益债券和美国国库券之间的利差只比危机期间的高点低了大约0.5个百分点。
3
The spread (excess interest rate) on high-yield corporate bonds has fallen from more than 16 percentage points at the start of 2009 to less than six points.