"The expected decline in world hunger in two thousand ten is primarily the result of better access to food as the global economy recovers, and food prices remain below their peak level of mid-two thousand eight."

VOA: special.2010.09.21

It does appear that it's harder to lose the weight below the waist, but there is some mixed research on that as well.

但腰部以下的脂肪似乎更难减掉,关于这点也有一些相应的研究

耶鲁公开课 - 关于食物的心理学、生物学和政治学课程节选

So in this experiment here, delta p is less than zero. You need to have this whole thing greater than zero. So delta T is less than zero as well. So if you're below the inversion temperature and you do the Joule-Thomson experiment, you're going to end up with something that's colder on this side than that side.

所以在这个实验中，Δp小于零,这全部都大于零,因此ΔT也小于零,所以如果在低于转变,温度的情况下做焦耳-汤姆孙实验,最后的结果是,这边的温度比这边低。

麻省理工公开课 - 热力学与动力学课程节选

Lawmakers who will negotiate the differences for the Senate and House will have to ensure that a final bill is below the $900 billion the president set as a maximum figure.

VOA: standard.2009.12.25