So when we feed the python a ground, cooked steak we find that the energy expended on digestion assimilation has decreased by 24% compared to the intact, raw steak.我们发现消化搅碎后的熟牛排所消耗的能量，比消化未加工的生牛排所消耗的能量少24%。

expend on消耗在

Large sums were expended on model farms.

大宗金钱费于建设模范农场。

Don't expend all your energy on such a useless job.

不要把你的精力全花在这无益的工作上。

compared to与 ... 相比

Teachers are often compared to burning candles.

人们总是把老师比喻为燃烧的蜡烛。

Life is poetically compared to the morning dew.

在诗歌中，人生被比喻为朝露。

they're costly in terms of energy.它们消耗的能量较多

in terms of用…的话,以…的措辞,在…方面,从…方面(来说),以…表示,根据,按照

In term of money, he's quite rich, but not in term of happiness.

就钱来说他很富有，但就幸福来说就不然了。

The figures are expressed in terms of a percentage/in percentage terms.

那些数字是以百分数表示的。