Mrs. Smith always has a beef about housework.
史密斯夫人总是抱怨家务活太多。
It takes 869 gallons of water to produce a third of a pound of beef, about enough for a large hamburger.
而仅仅是制作一个大汉堡所需的三分之一磅牛肉，就需要消耗掉869加仑的水。
It takes 869 gallons of water to produce a third of a pound of beef, about enough for a large hamburger.
而仅仅是制作一个大汉堡所需的三分之一磅牛肉，就需要消耗掉869加仑的水。
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