消费束的英文：
optimal consumption bundle
adj. 最佳的，最理想的
optimization of branch instruction
转移指令优化
Their optimism is apt to be decidedly conditional and tremulous
他们的乐观主义显然是有条件的而且是犹豫不定的。
The optimism of those Saturday afternoons was contagious
那些星期六下午出现的乐观精神具有感染性。
n. 消费；消耗；肺病
unsustainable patterns of production and consumption
不可持续的生产和消费形态
Cotton consumption has continued to rise.
棉花的消费一直在继续增长。
He is a person afflicted with consumption.
他是一个患肺痨的人。
n. 束、捆、紮或包在一起的东西；大堆的东西
v. 把某物捆成捆
The bundle fell with a thud.
扑腾一声，包掉下来了。
We bundled everything up.
我们把每样东西包扎起来。
Something gathered into a bundle; a pack.
聚成一捆的东西，一堆